Software Integration Engineer (Mid/Senior) – TS/SCI Full Scope Poly – Maryland or Utah

Software Integration Engineer (Mid/Senior) – TS/SCI Full Scope Poly

📍 Locations: Maryland or Utah
🏢 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 Software Integration Engineers (Mid-Level and Senior-Level) to join a mission-critical Site Reliability Engineering (SRE) team supporting highly secure government environments.

These positions focus on enterprise-scale monitoring, automation, software integration, operational tooling, and infrastructure reliability. Candidates will work across Linux-based environments while supporting mission operations through automation, observability, resiliency engineering, and performance optimization.

This role is ideal for engineers who enjoy solving complex operational challenges, automating infrastructure, and improving system reliability within highly secure environments.

Key Responsibilities

Site Reliability Engineering (SRE)

• Support mission-critical infrastructure and operational tooling.

• Improve system reliability, resiliency, and operational efficiency.

• Develop automation and monitoring solutions.

• Support enterprise-scale observability initiatives.

Software Integration & Deployment

• Support software integration activities across mission environments.

• Configure and troubleshoot customer-facing applications and use cases.

• Participate in infrastructure deployments and system upgrades.

• Manage software deployment workflows and integrations.

Linux Administration

• Administer and support Linux-based environments.

• Perform system maintenance, troubleshooting, and optimization.

• Support multiple Linux distributions across operational environments.

Note: Candidates should expect to spend approximately 50% of their time initially performing Linux administration while becoming familiar with supported systems and environments.

Automation & Configuration Management

• Develop and maintain automation using:

• Salt

• Ansible

• Improve operational efficiency through infrastructure automation.

• Support configuration management initiatives.

Monitoring & Observability

Build and maintain monitoring solutions utilizing:

• Nagios

• Thruk

• Prometheus

• Splunk

• Grafana

Collaboration

• Partner with engineering and operations teams.

• Troubleshoot mission-critical issues.

• Improve reliability, performance, and scalability.

• Support continuous improvement initiatives.

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

Experience with:

• Linux system administration

• System troubleshooting

• Operational support

• Infrastructure maintenance

Programming & Scripting

Experience with one or more of:

• Python

• Bash

• C

Highly Desired Technical Skills

Monitoring & Observability

• Nagios

• Thruk

• Prometheus

• Splunk

• Grafana

Automation & Configuration Management

• Salt

• Ansible

Development & Collaboration Tools

• GitBucket

• Jira

• Confluence

Workload & Resource Management

• Slurm

Must-Have Requirements

Clearance

✅ Active TS/SCI Clearance

✅ Active Full Scope Polygraph

Linux Expertise

✅ Linux System Administration

✅ Linux Troubleshooting

Scripting & Automation

✅ Python, Bash, or C

Technical Skills

✅ Monitoring & Operational Support

✅ Infrastructure Troubleshooting

Soft Skills

✅ Strong Problem-Solving Skills

✅ Ability to Work in Fast-Paced Mission Environments

✅ Strong 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)?

6. Which scripting or programming languages have you used professionally (Python, Bash, C)?

7. Do you have experience with monitoring platforms such as Nagios, Prometheus, Grafana, or Splunk?

8. Have you worked with automation tools such as Salt or Ansible?

9. Do you have experience supporting Site Reliability Engineering (SRE), DevOps, or operational infrastructure environments?

10. Are you willing to work onsite full-time in Maryland or Utah?

Ideal Candidate Profile

The ideal candidate will:

• Hold an active TS/SCI Full Scope Polygraph.

• Possess strong Linux administration skills.

• Have experience supporting enterprise monitoring and automation platforms.

• Enjoy troubleshooting highly complex operational environments.

• Be comfortable working within Site Reliability Engineering (SRE) frameworks.

• Have experience developing automation solutions and improving operational efficiency.

• Demonstrate curiosity, initiative, and a continuous learning mindset.

• Thrive in highly collaborative mission-focused environments.

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

Python, Bash, or C

Automation

Salt, Ansible

Monitoring

Nagios, Prometheus, Splunk, Grafana

Environment

Site Reliability Engineering (SRE)

Location

Maryland or Utah

Work Arrangement

100% Onsite

Travel

None

Compensation

$100K – $200K

Relocation

Available

Why This Opportunity?

Mission Impact

Support highly secure government environments responsible for critical national missions.

Modern Engineering Environment

Work with leading technologies across:

• Site Reliability Engineering

• Automation

• Observability

• Linux Infrastructure

• Enterprise Monitoring

Technical Growth

Gain exposure to advanced operational tooling, large-scale monitoring environments, and infrastructure automation initiatives.

Strong Benefits Package

• 3 Weeks PTO

• 11 Federal Holidays

• Medical & Dental Coverage

• Life Insurance

• STD & LTD Coverage

• 401(k) with Company Match

• Long-Term Career Growth Opportunities

This opportunity is ideal for a Software Integration Engineer, Site Reliability Engineer (SRE), Linux Systems Engineer, DevOps Engineer, Platform Engineer, Infrastructure Engineer, or Automation Engineer with an active TS/SCI Full Scope Polygraph looking to support mission-critical government operations.

Information Systems Security Engineer (ISSE) & Information Systems Security Officer (ISSO) | TS/SCI FS Poly | Annapolis Junction, MD | $220K–$260K

Job Title: Information Systems Security Engineer (ISSE) & Information Systems Security Officer (ISSO)
Location: Annapolis Junction, Maryland (100% Onsite)
Clearance Required: TS/SCI with Full Scope Polygraph (FS Poly)
Compensation: $220,000 – $260,000 base salary
Employment Type: Full-time
Relocation Assistance: Possible for ideal candidate
Benefits: Full benefits offered
Visa Candidates: Not considered

Overview:

We are hiring two experienced cybersecurity professionals for an exciting and mission-critical government program based in Annapolis Junction, MD. Both roles require active TS/SCI with Full Scope Poly (poly must be within the past 5 years and from a Maryland Intelligence Customer). While both positions are integral to the security posture of the program, each requires a different focus, background, and certification path.

1. Information Systems Security Engineer (ISSE)

Role ID: 727
Seniority Level: Mid to Senior
Clearance: TS/SCI w/ FS Poly (mandatory)
Certifications Required:

• CISSP (Required)

• ISSEP (Preferred or willing to obtain during crossover if CISSP has been held for 2+ years)

Key Responsibilities:

• Develop and implement system security designs and architectures for complex, large-scale systems.

• Lead security risk assessment and mitigation throughout the system development lifecycle.

• Conduct system security planning, vulnerability testing, and compliance verification.

• Analyze and implement secure communication protocols, encryption tools, and secure OS configurations.

• Collaborate with engineers across integration, testing, and development teams to ensure compliance with classified information handling.

• Use tools such as Nessus, NMAP, Wireshark for threat identification and remediation.

• Support RMF, risk management activities, and IA (Information Assurance) processes.

Preferred Experience:

• Bachelor’s or Master’s in Cybersecurity, Information Assurance, or related field.

• Experience with Defense-in-Depth principles, secure software architecture, and penetration testing tools.

• Proficient in scripting languages and secure configuration management.

2. Information Systems Security Officer (ISSO)

Role ID: 643
Seniority Level: Mid to Senior
Clearance: TS/SCI w/ FS Poly (mandatory)
Certifications Required:

• IAT Level II or IAM Level II certification (Required)

• Examples: Security+ CE, CASP+, CISSP, CISM, or similar

Key Responsibilities:

• Act as ISSO for a large-scale software development and IT operations program.

• Enforce security policies and maintain operational security posture of systems.

• Manage documentation for system Certification & Accreditation (C&A) and Security Plans (SSPs).

• Conduct vulnerability remediation, IAVA compliance, and configuration management for system security.

• Support day-to-day information system operations, network security, and audit readiness.

• Coordinate with ISSM and other security stakeholders to ensure secure system integration and lifecycle support.

Preferred Experience:

• 10+ years as an ISSO in complex, standalone, or connected environments.

• Experience maintaining SSPs, performing incident response, and managing vulnerability scans.

• Familiarity with tools supporting IAVA management, CM, and system auditing.

• Bachelor’s degree in a related field and 12+ years of overall security experience preferred.

Ideal Candidate Profile (Both Roles):

• Must hold a current FS Poly with the Maryland Intelligence Customer (within the past 5 years).

• No prior CCAs (Counterintelligence Concerns).

• Excellent verbal/written communication skills and team collaboration.

• Strong commitment to best practices and high-integrity security operations.

Additional Notes:

• Both roles are 100% onsite in Annapolis Junction, MD.

• Do not repost these positions.

• Candidates must be U.S. Citizens with an active TS/SCI with Full Scope Polygraph.

Software Engineer (TS/SCI CI Poly) | San Diego, Aurora, Annapolis Junction, Alexandria | $DOE | Full-Time Onsite

💻 Software Engineer – TS/SCI CI Poly Required

📍 Locations: San Diego, CA | Aurora, CO | Annapolis Junction, MD | Alexandria, VA
🏢 Onsite: 100% (Active clearance access required)
🎯 Openings: 10 positions available
🕓 Employment: Full-Time | Permanent

🌟 The Opportunity

Join a high-impact federal technology program supporting mission-critical national security initiatives. As a Software Engineer, you’ll work within an elite agile development team using modern frameworks and DevSecOps best practices to design, build, and deliver cutting-edge enterprise systems that protect and advance U.S. interests worldwide.

This is your chance to contribute to an operationally significant program—developing software solutions that enhance data integrity, security, and performance across large-scale environments. You’ll be surrounded by forward-thinking technologists and have access to continual technical training and certifications to help you stay ahead of the curve.

🧠 Key Responsibilities

• Design, develop, and maintain robust, scalable software solutions in support of national-level mission systems.

• Collaborate within Agile and SAFe environments, participating in sprint planning, reviews, and retrospectives.

• Analyze complex system requirements and produce well-structured, efficient, and reusable code.

• Utilize Behavior Driven Development (BDD) and test automation tools to enhance software reliability and performance.

• Implement and support DevOps pipelines, leveraging tools like Jenkins and version control systems.

• Conduct software debugging, optimization, and tuning to ensure high availability and reliability.

• Author and maintain clear technical documentation and automation scripts to support deployment and testing.

• Collaborate cross-functionally with system engineers, testers, and architects to ensure end-to-end solution integrity.

🧩 Required Qualifications

• Active TS/SCI clearance with CI Polygraph (mandatory)

• Bachelor’s degree in Computer Science or related field (or equivalent relevant experience)

• Strong Java development experience

• Experience with one or more of the following:

• Python, C/C++, SQL, SOAP, WSDL, PERL, PowerShell, VBS, Eclipse, Oracle, Postgres, Jenkins

• Experience with User Interface (UI) development, HTML/XHTML/XML/XSLT, and database structures

• Knowledge of both Windows and Linux environments

• Deep understanding of software engineering principles, algorithms, and secure coding practices

• Strong communication and problem-solving abilities; comfortable working independently and collaboratively

🚀 Preferred Qualifications

• Experience with JEE, Tomcat, WebLogic, or JBoss

• Familiarity with BDD / TDD frameworks (FITNesse, Mockito, Cucumber, Selenium, UFT)

• Secure software development and Layer 7 Policy implementation experience

• Hands-on experience with Scaled Agile Framework (SAFe) or Agile Developer practices (Pair Programming, Refactoring, ATDD)

• Background in requirements decomposition, trade-off analysis, and systems integration

• SAFe Agilest Certification or prior experience in Agile teams preferred

💼 Benefits & Perks

• Competitive total compensation package

• 3 weeks Paid Time Off + 11 Federal Holidays

• Medical, Dental, Vision, Life, and Disability insurance

• 401(k) with up to 4% match + annual profit sharing

• Relocation assistance available

• Continuous technical training and certification support

• Opportunity to work on mission-critical national programs with emerging technology stacks

🎯 Candidate Snapshot

• Experience: 7–10 years in software development (enterprise or government systems)

• Education: Bachelor’s in Computer Science or equivalent experience

• Security Clearance: TS/SCI w/ CI Poly (active)

• Work Environment: 100% onsite – secure facility access required

• Travel: None

This is a career-defining opportunity for software engineers seeking to apply their technical expertise toward high-impact, classified initiatives that shape the future of national defense and intelligence. If you thrive in fast-paced, mission-driven environments and value continuous learning — this is the role for you.

Information Systems Security Engineer (ISSE) & Information Systems Security Officer (ISSO) | TS/SCI FS Poly | $220K–$260K | Annapolis Junction, MD

Job Title: Information Systems Security Engineer (ISSE) & Information Systems Security Officer (ISSO)
Location: Annapolis Junction, Maryland (100% Onsite)
Clearance Required: TS/SCI with Full Scope Polygraph (FS Poly)
Compensation: $220,000 – $260,000 base salary
Employment Type: Full-time
Relocation Assistance: Possible for ideal candidate
Benefits: Full benefits offered
Visa Candidates: Not considered

Overview:

We are hiring two experienced cybersecurity professionals for an exciting and mission-critical government program based in Annapolis Junction, MD. Both roles require active TS/SCI with Full Scope Poly (poly must be within the past 5 years and from a Maryland Intelligence Customer). While both positions are integral to the security posture of the program, each requires a different focus, background, and certification path.

1. Information Systems Security Engineer (ISSE)

Role ID: 727
Seniority Level: Mid to Senior
Clearance: TS/SCI w/ FS Poly (mandatory)
Certifications Required:

• CISSP (Required)

• ISSEP (Preferred or willing to obtain during crossover if CISSP has been held for 2+ years)

Key Responsibilities:

• Develop and implement system security designs and architectures for complex, large-scale systems.

• Lead security risk assessment and mitigation throughout the system development lifecycle.

• Conduct system security planning, vulnerability testing, and compliance verification.

• Analyze and implement secure communication protocols, encryption tools, and secure OS configurations.

• Collaborate with engineers across integration, testing, and development teams to ensure compliance with classified information handling.

• Use tools such as Nessus, NMAP, Wireshark for threat identification and remediation.

• Support RMF, risk management activities, and IA (Information Assurance) processes.

Preferred Experience:

• Bachelor’s or Master’s in Cybersecurity, Information Assurance, or related field.

• Experience with Defense-in-Depth principles, secure software architecture, and penetration testing tools.

• Proficient in scripting languages and secure configuration management.

2. Information Systems Security Officer (ISSO)

Role ID: 643
Seniority Level: Mid to Senior
Clearance: TS/SCI w/ FS Poly (mandatory)
Certifications Required:

• IAT Level II or IAM Level II certification (Required)

• Examples: Security+ CE, CASP+, CISSP, CISM, or similar

Key Responsibilities:

• Act as ISSO for a large-scale software development and IT operations program.

• Enforce security policies and maintain operational security posture of systems.

• Manage documentation for system Certification & Accreditation (C&A) and Security Plans (SSPs).

• Conduct vulnerability remediation, IAVA compliance, and configuration management for system security.

• Support day-to-day information system operations, network security, and audit readiness.

• Coordinate with ISSM and other security stakeholders to ensure secure system integration and lifecycle support.

Preferred Experience:

• 10+ years as an ISSO in complex, standalone, or connected environments.

• Experience maintaining SSPs, performing incident response, and managing vulnerability scans.

• Familiarity with tools supporting IAVA management, CM, and system auditing.

• Bachelor’s degree in a related field and 12+ years of overall security experience preferred.

Ideal Candidate Profile (Both Roles):

• Must hold a current FS Poly with the Maryland Intelligence Customer (within the past 5 years).

• No prior CCAs (Counterintelligence Concerns).

• Excellent verbal/written communication skills and team collaboration.

• Strong commitment to best practices and high-integrity security operations.

Additional Notes:

• Both roles are 100% onsite in Annapolis Junction, MD.

• Do not repost these positions.

• Candidates must be U.S. Citizens with an active TS/SCI with Full Scope Polygraph.