Systems Administrator IV – Microsoft 365 | M365 Engineer | Tulsa, OK

Systems Administrator IV – Microsoft 365

📍 Location: Tulsa, Oklahoma
🏢 Work Arrangement: 100% Onsite
📅 Contract Duration: 12 Months
💼 Employment Type: Contract
🚫 Visa Sponsorship: Not Available
🚚 Relocation Assistance: Not Available
📞 On-Call: Participation in a 24/7 support rotation required
📌 Local Tulsa-Area Candidates Only

Overview

A leading energy organization is seeking an experienced Systems Administrator IV to provide senior-level administration, engineering and governance across its enterprise Microsoft 365 environment.

This is a hands-on technical leadership position supporting Microsoft 365 collaboration, identity, security and compliance services. The successful candidate will take end-to-end ownership of platforms including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Copilot, Microsoft Entra ID and Microsoft Purview.

The role is particularly well suited to an experienced Microsoft 365 professional who can combine advanced technical troubleshooting with platform strategy, security governance, incident leadership and mentorship of other technical team members.

Key Responsibilities

Microsoft 365 Platform Administration

• Lead the administration, engineering, licensing and governance of the Microsoft 365 platform.

• Support Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Copilot and Microsoft Entra ID.

• Maintain secure, reliable and scalable collaboration and productivity services across an enterprise environment.

• Establish and maintain platform standards, administrative controls, permissions and governance processes.

• Review Microsoft 365 licensing and access to support cost-effective, least-privilege platform usage.

Platform Strategy and Delivery

• Monitor the Microsoft 365 product roadmap and evaluate emerging capabilities for business value, security and operational suitability.

• Guide the testing, staging and production-readiness process for new Microsoft 365 services and major platform changes.

• Translate business and technical requirements into scalable Microsoft 365 solutions.

• Coordinate with security, infrastructure, business and project teams to deliver platform improvements and integrations.

• Apply project-management and change-control practices throughout platform implementations and upgrades.

Identity and Access Management

• Manage enterprise identity and access capabilities through Microsoft Entra ID.

• Implement and maintain Single Sign-On, Multi-Factor Authentication and Conditional Access policies.

• Administer privileged access controls and identity-governance processes.

• Conduct access and permissions reviews to maintain least-privilege security.

• Strengthen controls around administrative access and sensitive Microsoft 365 services.

Security and Compliance

• Configure and administer Microsoft Purview security and compliance capabilities.

• Support data classification, Data Loss Prevention, retention and eDiscovery requirements.

• Implement Insider Risk Management controls and related governance processes.

• Perform security reviews and platform hardening before significant service launches or changes.

• Partner with security and compliance stakeholders to ensure Microsoft 365 services meet organizational requirements.

Reliability and Technical Support

• Provide Tier 3 support for complex Microsoft 365, identity and collaboration-platform issues.

• Lead root-cause analysis and post-incident reviews.

• Develop and document solutions that improve service reliability and reduce recurring incidents.

• Participate in the organization’s 24/7 on-call support rotation.

• Maintain clear technical documentation, operational procedures and knowledge resources.

Technical Leadership

• Provide technical leadership within a broader team of analysts and engineers.

• Mentor colleagues and help develop their Microsoft 365 administration and troubleshooting capabilities.

• Guide technical decision-making across complex platform initiatives.

• Promote effective collaboration, knowledge sharing and operational best practices.

Required Qualifications

Candidates must meet one of the following education and experience combinations:

• High school diploma or GED with at least 15 years of IT experience.

• Associate degree with at least 10 years of IT experience.

• Bachelor’s degree in an IT-related field with at least eight years of IT experience.

A bachelor’s degree is not mandatory when the candidate possesses the required equivalent professional experience.

Required Experience

• Extensive hands-on experience administering and engineering enterprise Microsoft 365 environments.

• Strong experience with:

• Exchange Online

• Microsoft Teams

• SharePoint Online

• OneDrive

• Microsoft Copilot

• Microsoft Entra ID

• Microsoft Purview

• Experience managing Microsoft 365 licensing, permissions, governance and platform-readiness processes.

• Strong knowledge of SSO, MFA, Conditional Access, privileged access and identity governance.

• Experience with Microsoft Purview capabilities including DLP, retention, data classification and eDiscovery.

• Experience providing Tier 3 support and resolving sophisticated Microsoft 365 platform issues.

• Demonstrated ability to lead root-cause analysis and post-incident reviews.

• Experience working in a large, enterprise-scale environment with formal governance and change-control processes.

• Ability to analyse business and technical requirements and translate them into scalable technology solutions.

• Strong organizational, communication and interpersonal skills.

• Ability and willingness to participate in a 24/7 on-call rotation.

• Commitment to maintaining safety as the highest operational priority.

Preferred Background

• Experience owning Microsoft 365 platforms across a large, multi-site or highly regulated organization.

• Previous responsibility for platform strategy, roadmap evaluation and enterprise governance.

• Experience leading complex Microsoft 365 deployments, migrations, integrations or security improvements.

• Technical leadership or mentorship experience.

• Experience working collaboratively with security, infrastructure, compliance and business stakeholders.

• A stable employment history, including completed long-term contracts or sustained ownership of multi-year platform initiatives.

Formal people-management experience is not required. The priority is hands-on technical leadership, platform ownership and the ability to mentor others.

Location Requirement

This position requires attendance onsite in Tulsa, Oklahoma, five days per week. Only candidates who already live within a practical commuting distance of Tulsa will be considered.

Relevant nearby locations may include Tulsa, Broken Arrow, Jenks, Bixby, Owasso, Sand Springs, Sapulpa, Glenpool, Catoosa, Claremore and Collinsville.

Relocation assistance is not available.

System Administrator (Mid/Senior) – TS/SCI Full Scope Poly – Annapolis, MD or Bluffdale, UT

System Administrator (Mid/Senior) – TS/SCI Full Scope Poly

📍 Locations: Annapolis, MD or Bluffdale, UT
🏢 Work Arrangement: 100% Onsite
💼 Employment Type: Full-Time
🔒 Security Clearance Required: Active TS/SCI with Full Scope Polygraph (NSA Preferred)
🇺🇸 Citizenship: U.S. Citizen Required
🚫 Visa Sponsorship: Not Available
🚚 Relocation Assistance: Available
💰 Compensation: $100,000 – $200,000 Base Salary

Overview

A leading government technology contractor is seeking System Administrators (Mid-Level and Senior-Level) to support mission-critical operations across highly secure environments in Maryland and Utah.

These positions support high-performance computing (HPC) infrastructure, mission operations sustainment, and complex Linux-based enterprise environments. Candidates may come from Linux System Administration, Platform Engineering, Storage Engineering, or Network Engineering backgrounds, but all team members are expected to perform core Linux administration responsibilities.

This is an excellent opportunity for cleared professionals who enjoy solving complex technical problems and supporting some of the nation's most critical missions.

Key Responsibilities

Linux System Administration

• Install, configure, and administer Linux operating systems.

• Manage system resources, file systems, and networking services.

• Perform operating system maintenance, upgrades, and patching.

• Support software installation, compilation, and configuration.

Operations & Infrastructure Support

• Monitor mission-critical systems and infrastructure.

• Troubleshoot operating system and application issues.

• Maintain system reliability, availability, and performance.

• Participate in operational sustainment activities.

Automation & Configuration Management

• Develop and maintain Bash scripts.

• Support infrastructure automation initiatives.

• Contribute to configuration management processes.

• Improve operational efficiency through automation.

Collaboration & Troubleshooting

• Work closely with engineering and operations teams.

• Investigate and resolve complex technical issues.

• Document configurations, procedures, and troubleshooting methodologies.

• Participate in system upgrades and maintenance windows.

Required Qualifications

Security Requirements

✔ Active TS/SCI Clearance

✔ Active Full Scope Polygraph (NSA Preferred)

✔ U.S. Citizenship Required

Linux Administration Experience

Strong experience supporting one or more of:

• Red Hat Enterprise Linux (RHEL)

• CentOS

• Rocky Linux

• SUSE Linux Enterprise Server (SLES)

• Ubuntu

Required expertise with:

• Linux installation and configuration

• File system administration

• TCP/IP networking

• Operating system troubleshooting

• Application troubleshooting

• Bash scripting

• Software compilation and installation

Preferred Technical Experience

High Performance Computing (HPC)

• HPC environments

• Large-scale enterprise infrastructure

• Mission-critical computing systems

Monitoring & Operations Tools

• Jira

• Confluence

• Grafana

• Prometheus

• Nagios

• Slurm

• Git

• Salt

• Ansible

Storage Engineering Experience (Preferred)

Candidates with storage engineering backgrounds are highly desirable.

Experience with:

• Lustre File System

• DDN Exascaler

• Storage fabrics

• Storage architecture

• Performance tuning

• Storage optimization

Emerging Storage Technologies

Exposure to:

• E1000 Storage Systems

• Elastic Storage Nodes (ESNs)

• DAOS

• Weka Data Platform

Network Engineering Experience (Preferred)

Experience with:

• TCP/IP Networking

• Enterprise Routing & Switching

• Storage Networking

Preferred vendor experience:

• Cisco

• Juniper

• Arista

High-Speed Networking

• InfiniBand

• Slingshot

Performance & Benchmarking Tools

Experience with one or more of:

• IOR

• iperf

• FIO

• lnet_selftest

Must-Have Requirements

Clearance

✅ Active TS/SCI Clearance

✅ Active Full Scope Polygraph (NSA Preferred)

Linux Administration

✅ Linux System Administration Experience

✅ Bash Scripting

✅ TCP/IP Networking

✅ OS & Application Troubleshooting

Soft Skills

✅ Strong Analytical Skills

✅ Strong Troubleshooting Ability

✅ Ability to Work Independently

✅ Team Collaboration Skills

Screening Questions

1. Do you currently hold an active TS/SCI clearance with a Full Scope Polygraph?

2. Was your Full Scope Polygraph issued by NSA?

3. When was your most recent Full Scope Polygraph completed?

4. How many years of Linux administration experience do you have?

5. Which Linux distributions have you supported (RHEL, CentOS, Rocky, Ubuntu, SLES, etc.)?

6. Do you have experience with Bash scripting and automation?

7. Have you supported large-scale enterprise or HPC environments?

8. Do you have experience with storage technologies such as Lustre, DDN, DAOS, or Weka?

9. Do you have networking experience with Cisco, Juniper, Arista, InfiniBand, or Slingshot?

10. Are you willing to work onsite full-time in either Annapolis, MD or Bluffdale, UT?

Ideal Candidate Profile

The ideal candidate will:

• Hold an active TS/SCI Full Scope Polygraph.

• Have strong Linux administration experience.

• Thrive in highly customized, mission-critical environments.

• Enjoy troubleshooting complex technical challenges.

• Demonstrate curiosity and continuous learning.

• Be comfortable supporting storage, networking, or platform infrastructure.

• Possess strong analytical and problem-solving skills.

• Work effectively both independently and within collaborative engineering teams.

Candidate Snapshot

Requirement

Details

Clearance

Active TS/SCI + Full Scope Poly

Citizenship

U.S. Citizen

Experience Level

Mid-Level to Senior

Linux Expertise

RHEL, CentOS, Rocky, Ubuntu, SLES

Scripting

Bash

Environment

Mission-Critical / HPC

Location

Annapolis, MD or Bluffdale, UT

Work Arrangement

100% Onsite

Travel

None

Compensation

$100K – $200K

Relocation

Available

Why This Opportunity?

Mission Impact

Support highly classified systems critical to national security operations.

Technical Challenge

Work in complex, large-scale Linux and HPC environments that demand advanced troubleshooting and engineering skills.

Career Growth

Gain exposure to cutting-edge storage, networking, automation, and high-performance computing technologies.

Excellent Benefits

• 3 Weeks PTO

• 11 Federal Holidays

• Medical & Dental Coverage

• Life Insurance

• STD & LTD Coverage

• 401(k) with Company Match

• Long-Term Career Stability

This opportunity is ideal for a Linux System Administrator, Platform Engineer, Storage Engineer, Infrastructure Engineer, HPC Administrator, Network Engineer, or Systems Engineer with an active TS/SCI Full Scope Polygraph looking to support highly impactful government missions.

Plant Engineer – Center, ND

Plant Engineer

📍 Location: Center, North Dakota
🏭 Power Generation Facility (Coal-Fired Power Plant)
💼 Full-Time | Onsite
🚚 Relocation Assistance: Available
🚫 Visa Sponsorship: Not Available

Overview

A leading electric utility cooperative is seeking a Plant Engineer to support operations at a large-scale power generation facility near Center, North Dakota. This position offers an excellent opportunity for both recent engineering graduates and experienced engineers to work on critical infrastructure projects that support reliable energy production.

The Plant Engineer will provide technical support for plant operations, maintenance, capital projects, equipment upgrades, troubleshooting, and continuous improvement initiatives focused on reliability, efficiency, and safety.

Key Responsibilities

Engineering & Project Support

• Coordinate preparation of construction drawings and equipment specifications.

• Design and oversee installation of new and replacement plant equipment.

• Support capital improvement and O&M projects from planning through execution.

• Work with contractors, consultants, and internal stakeholders to achieve project objectives.

Operations & Maintenance Support

• Troubleshoot plant systems and equipment issues alongside operations and maintenance teams.

• Analyze operational data and recommend process improvements.

• Monitor equipment performance and identify opportunities to improve efficiency, reliability, and availability.

• Support implementation of new technologies and engineering best practices.

Safety & Compliance

• Ensure engineering activities are performed safely and in compliance with regulatory requirements.

• Monitor work activities and promote a strong safety culture.

• Assist with maintaining engineering records, drawings, and documentation.

Technical Leadership

• Identify operational and technical training needs.

• Provide engineering support across multiple departments.

• Participate in continuous improvement initiatives to optimize plant performance.

Required Qualifications

Education

• Bachelor’s Degree in Mechanical Engineering preferred.

• Other related engineering disciplines may be considered.

Experience

• Open to entry-level engineers and experienced professionals.

• Industrial engineering experience preferred but not required.

• Experience with rotating or fixed equipment is a plus.

• Power generation or utility experience is highly desirable.

Preferred Skills

✔ Mechanical Engineering
✔ Industrial Equipment & Systems
✔ Project Engineering
✔ Capital Projects
✔ Equipment Reliability & Maintenance
✔ Process Improvement
✔ Troubleshooting & Root Cause Analysis
✔ Technical Documentation & Drawings
✔ Plant Operations Support
✔ Safety & Regulatory Compliance

Ideal Candidate

The ideal candidate is a hands-on engineer who enjoys solving operational challenges and working closely with plant operations and maintenance teams.

Successful candidates will possess:

• Strong mechanical engineering fundamentals.

• Interest in power generation and industrial operations.

• Experience with rotating and fixed equipment (preferred).

• Problem-solving and analytical skills.

• Ability to manage multiple projects simultaneously.

• Strong communication and teamwork skills.

Both early-career engineers and experienced plant engineers are encouraged to apply.

Candidate Snapshot

Requirement

Details

Education

Bachelor's Degree Required

Engineering Discipline

Mechanical Preferred

Experience Level

Entry-Level to Experienced

Industry

Power Generation / Utilities

Seniority

Entry-Level

Travel

Occasional

Relocation

Available

Visa Sponsorship

Not Available

Screening Questions

1. Are you legally authorized to work in the United States?

2. Do you currently have experience in a power plant or industrial facility environment?

3. Will you now or in the future require employment sponsorship?

Compensation & Benefits

• Competitive base salary based on education and experience.

• Comprehensive benefits package.

• Relocation assistance available.

• Career growth and development opportunities.

• Strong work-life balance culture.

Why Consider This Opportunity?

• Work on critical infrastructure supporting reliable energy generation.

• Opportunity for both recent graduates and experienced engineers.

• Exposure to large-scale power plant operations and capital projects.

• Strong career development and advancement potential.

• Located near Bismarck, North Dakota, offering a low cost of living and excellent outdoor recreation opportunities.

• Stable employer with a long-standing reputation in the utility industry.

DevOps System Administrator (AI/ML Infrastructure) - TS/SCI with CI Poly – Scottsdale, AZ

DevOps System Administrator (AI/ML Infrastructure)

📍 Location: Scottsdale, Arizona
🏢 Work Environment: 100% Onsite
💼 Employment Type: Full-Time
🛡️ Security Clearance Required: Active DoD TS/SCI with Polygraph
✈️ Travel: Occasional
🚫 Visa Sponsorship: Not Available

💰 Compensation & Benefits

• Base Salary: $126,000 – $150,000

• Full Benefits Package

• Relocation Assistance Available

• No commission or overtime eligibility

🚀 Position Overview

A leading defense technology organization is seeking an experienced DevOps System Administrator to support and optimize advanced Artificial Intelligence and Machine Learning (AI/ML) infrastructure within a highly secure classified environment.

This role will focus on building, maintaining, and automating enterprise-scale infrastructure supporting AI model development, training, testing, and deployment. The successful candidate will work closely with Data Scientists, ML Engineers, and Infrastructure Teams to ensure scalable, secure, and high-performing environments.

This is an excellent opportunity to work on mission-critical technologies supporting national security initiatives while leveraging cutting-edge AI, cloud-native, and automation technologies.

🔧 Key Responsibilities

AI/ML Infrastructure Management

• Design, implement, and maintain scalable infrastructure for AI/ML model training and inference

• Manage GPU resources and high-performance computing environments

• Support machine learning development and deployment workflows

• Collaborate with Data Scientists and ML Engineers to streamline model development through production

DevOps & Automation

• Develop and manage CI/CD pipelines for AI applications and ML models

• Automate:

• Infrastructure provisioning

• Configuration management

• Deployment processes

• Utilize Infrastructure as Code (IaC) tools including:

• Terraform

• Ansible

Containerization & Orchestration

• Deploy and manage containerized environments using:

• Docker

• Kubernetes

• Scale and optimize AI/ML services within secure enterprise environments

Linux & Systems Administration

• Administer Linux-based operating systems and virtualized server environments

• Perform:

• Server configuration

• Performance tuning

• Patch management

• Troubleshooting

• Monitoring

• Support both physical and virtual infrastructure environments

Monitoring & Operational Support

• Implement monitoring, logging, and alerting solutions

• Analyze system alerts and perform root-cause investigations

• Create scripts to automate repetitive administrative tasks

• Troubleshoot networking, storage, and server-related issues

Technical Leadership

• Serve as a subject matter expert for server and infrastructure operations

• Mentor team members and provide technical guidance

• Support system design, analysis, and continuous improvement initiatives

• Identify opportunities to leverage AI and automation for operational efficiency

✅ Required Qualifications

Education

• Bachelor’s Degree in:

• Computer Science

• Related technical field

• OR equivalent experience

OR

• Master’s Degree with 6+ years of relevant experience

Experience

• 7–10 years of relevant systems administration, infrastructure, or DevOps experience

• Strong enterprise server administration background

• Experience supporting large-scale production environments

• Advanced Linux administration skills

• Experience supporting virtualized infrastructure environments

🔒 Clearance Requirements (Mandatory)

✔ Active DoD TS/SCI with Polygraph required at time of hire
✔ U.S. Citizenship required
✔ Clearance must be active and current
❌ No sponsorship available
❌ No clearance reinstatement candidates

🛠️ Required Technical Skills

✔ Linux Administration
✔ Docker
✔ Kubernetes
✔ AI/ML Infrastructure Support
✔ CI/CD Pipeline Management
✔ Infrastructure as Code (Terraform, Ansible)
✔ Virtualization Technologies
✔ Enterprise Server Support
✔ Networking & Storage Troubleshooting
✔ Automation & Scripting

⭐ Preferred Qualifications

• Experience supporting AI/ML development environments

• GPU resource management experience

• High-performance computing environments

• Cloud-native infrastructure experience

• Container orchestration at enterprise scale

• Experience within classified or defense environments

🎯 Ideal Candidate

The ideal candidate is a highly technical infrastructure professional with deep Linux expertise, strong containerization skills, and experience supporting AI/ML environments in secure enterprise settings.

They will bring:

• Active TS/SCI Poly clearance

• Strong Docker and Kubernetes experience

• Advanced troubleshooting capabilities

• Enterprise systems administration expertise

• Automation and DevOps mindset

• Ability to work independently and collaboratively

• Passion for emerging technologies and AI-driven innovation

📋 Screening Questions

1. Do you have hands-on Linux administration experience?

2. Do you have experience with Docker, Kubernetes, or similar container platforms?

3. Are you comfortable working onsite full-time in Scottsdale, AZ?

4. Do you currently hold an active DoD TS/SCI with Polygraph clearance?

📌 Candidate Snapshot

Requirement

Details

Experience

7–10 Years

Seniority

Mid-Senior

Industry

Defense / Technology

Education

Bachelor’s Degree or Equivalent

Clearance

Active TS/SCI Poly Required

Work Model

100% Onsite

Travel

Occasional

Relocation

Available

🌟 Why Join

Award-Winning Culture

• Recognized as a Gallup Exceptional Workplace

• Strong employee engagement and retention

• Average employee tenure of 12 years

Work-Life Balance

• Flexible 9/80 schedule

• Every other Friday off

• Generous PTO and parental leave

Outstanding Benefits

• 401(k) with company match and immediate vesting

• Comprehensive medical, dental, and vision coverage

• Tuition assistance and professional development support

Meaningful Work

• Support cutting-edge technologies including:

• Artificial Intelligence

• Cloud Native Platforms

• Advanced Cyber Systems

• National Security Programs

Collaborative Environment

• Strong engineering culture

• Low micromanagement

• High autonomy and ownership

• Opportunities to innovate and contribute to mission-critical solutions

This role offers the opportunity to combine advanced DevOps expertise with next-generation AI technologies while supporting some of the most important missions in the defense and intelligence community.