Radiation Effects Engineer (DMTS) | Space & Defense Systems | Scottsdale, AZ

🚀 Radiation Effects Engineer

Distinguished Member of the Technical Staff (DMTS)

📍 Location: Scottsdale, Arizona (Onsite or Hybrid/Flex)
🧠 Level: Distinguished / Senior Technical Leadership
🏭 Industry: Aerospace · Defense · Space Systems
🎓 Education: Bachelor’s degree required (Advanced degree preferred)
🛡 Security Clearance: Ability to obtain TS/SCI with Polygraph required
🇺🇸 Citizenship: U.S. Citizenship required
💼 Employment Type: Full-Time | Permanent
✈️ Travel: Occasional

🌌 The Opportunity

A leading national security and space technology organization is seeking a Radiation Effects Engineer at the Distinguished Member of the Technical Staff level to drive mission-critical innovation for next-generation space systems.

This is a rare opportunity to operate at the highest technical tier, shaping how advanced space and defense systems perform in extreme radiation environments, including natural space radiation and nuclear effects. You’ll work at the intersection of deep science, applied engineering, and national security, influencing both current missions and future architectures.

🎯 Mission Impact

In this role, you will lead and define radiation effects engineering strategy to ensure mission success for high-reliability space systems. Your expertise will directly influence the performance, survivability, and resilience of technologies operating in the harshest environments imaginable.

🧭 Key Objectives & Responsibilities

• Technical Leadership:
  Lead radiation effects engineering efforts for space-based systems operating in natural and nuclear radiation environments.

• System Assurance:
  Ensure space systems meet or exceed performance objectives through proactive radiation analysis, modeling, mitigation, and validation.

• Innovation & Roadmapping:
  Drive the integration of radiation-tolerant technologies into future product roadmaps and mission architectures.

• Process Development:
  Establish, validate, and mature engineering processes for radiation effects analysis and mitigation.

• Technology Transition:
  Lead efforts to transition emerging and commercial technologies into high-reliability, high-availability space systems.

• Mentorship & Influence:
  Serve as a technical authority and mentor to engineers and scientists across multiple programs.

• Mission Collaboration:
  Partner closely with mission stakeholders and government customers to deliver solutions supporting critical national security objectives.

🧠 What Sets You Apart

• Deep expertise in natural space radiation environments, including modeling and analysis techniques

• Proven experience in radiation effects mitigation at both component and system levels

• Strong background integrating commercial technologies into mission-critical space systems

• Recognized as a thought leader with the ability to drive change and innovation

• Passion for mentoring and advancing technical excellence across teams

🎓 Required Qualifications

• Bachelor’s degree in Electrical Engineering or a related STEM field

• 15+ years of relevant professional experience
  (or Master’s degree with 13+ years)

• Demonstrated leadership in space-qualified or high-reliability electronics environments

➕ Preferred Qualifications

• Bachelor’s or Master’s degree in:

• Electrical Engineering

• Materials Science

• Physics

• Prior experience supporting space, defense, or classified programs

🔐 Security Requirements

• TS/SCI clearance with Polygraph preferred at hire

• Must be able to obtain and maintain TS/SCI with Polygraph

• Subject to U.S. Government background investigation

🏢 Work Environment

• Based in Scottsdale, AZ

• Flexible work arrangements available (onsite or hybrid, program-dependent)

• Optional 9/80 schedule (every other Friday off)

🎁 What’s Offered

• Highly competitive total rewards package

• Comprehensive medical, dental, and vision coverage

• 401(k) with company matching

• Paid parental leave and generous PTO

• Health & wellness programs

• Continuous learning and professional development

• Opportunity to work on historic and future-defining space missions

📌 Candidate Snapshot

Attribute

Details

Role

Radiation Effects Engineer – DMTS

Experience

15+ years

Clearance

TS/SCI (Poly eligible)

Location

Scottsdale, AZ

Schedule

Full-time (9/80 option)

Focus

Space systems, radiation survivability

Leadership

Technical (non-people manager)

🌠 Why This Role Matters

This position sits at the pinnacle of technical influence, shaping how space systems survive, perform, and succeed in environments where failure is not an option. Few roles offer this level of technical authority, national impact, and long-term legacy.

Senior Full Stack Engineer (Java React) | Defense & Cybersecurity | Dedham, MA

🔐 Senior Full Stack Engineer (Java / React)

Mission-Critical Cybersecurity Applications

📍 Location: Dedham, Massachusetts (100% Onsite)
🏭 Industry: Aerospace · Defense · Cybersecurity
🎓 Education: Bachelor’s Degree required
🧠 Level: Mid–Senior
🛡 Security Clearance: Active DoD Secret required at hire
🇺🇸 Citizenship: U.S. Citizenship required
💼 Employment Type: Full-Time | Permanent
✈️ Travel: Occasional
🔁 Relocation: Available

🚀 The Opportunity

A leading national security technology organization is seeking a Senior Full Stack Engineer (Java/React) to help build and evolve mission-critical cybersecurity management applications used in highly secure environments.

This role sits at the heart of a rapidly expanding product line, where software quality, performance, and security are non-negotiable. You’ll work with a cross-functional engineering team developing next-generation encryptor and cyber management platforms, using modern full-stack technologies in a classified setting.

🎯 What You’ll Be Working On

As a Senior Full Stack Engineer, you’ll contribute across the entire application lifecycle, helping design, build, and enhance secure enterprise applications that protect critical systems and data.

You’ll operate at the intersection of backend enterprise Java and modern React-based frontends, while adhering to strict security and reliability standards.

🧩 Key Responsibilities

• Design, develop, and enhance mission-critical cybersecurity applications

• Build scalable backend services using Java / Enterprise Java

• Develop intuitive, secure front-end components using React

• Work with SQL/PostgreSQL databases to support complex application workflows

• Collaborate within Agile, cross-functional teams

• Apply secure coding practices aligned with defense and cybersecurity standards

• Take ownership of features from concept through delivery

• Provide technical guidance and contribute to architectural decisions

🛠 Required Technical Experience

• 5+ years of professional software development experience
  (or Master’s degree + 3 years)

• Strong experience with:

• Java / Enterprise Java (EJBs, Spring, Hibernate)

• JavaScript / React

• SQL or PostgreSQL

• Solid understanding of software engineering principles and best practices

• Experience working in Agile environments

⭐ Nice-to-Have Skills

• WildFly application server

• REST APIs / RESTCONF interfaces

• Material UI

• Secure application development practices

• Public Key Infrastructure (PKI) & digital certificates

• SNMP familiarity

🧠 What Sets You Apart

• Passion for solving complex, high-impact engineering problems

• Ability to define scope, timelines, and technical expectations independently

• Comfortable providing technical leadership without formal people management

• Quick learner who thrives in evolving, high-stakes environments

• Strong collaborator who communicates clearly across teams

🔐 Security Requirements

• Active DoD Secret Clearance required at hire

• Ability to maintain clearance

• U.S. Citizenship required due to classified work

🏢 Work Environment

• Fully onsite role (no remote or hybrid option)

• Secure facility supporting classified programs

• Collaborative, mission-focused engineering culture

🎁 What’s Offered

• Competitive base compensation - $130,000 - $145,000 (Depending on Experience)

• Comprehensive benefits package including:

• Medical, dental, and vision coverage

• 401(k) with company match

• Paid parental leave

• Flexible time-off programs

• Health & wellness initiatives (including on-site fitness options)

• Long-term career growth on national security programs

📌 Candidate Snapshot

Attribute

Details

Role

Senior Full Stack Engineer (Java/React)

Clearance

Active DoD Secret

Location

Dedham, MA (Onsite)

Stack

Java, React, SQL

Experience

5+ years

Industry

Defense / Cybersecurity

Travel

Occasional

💡 Why This Role Matters

This is not just another full-stack role. You’ll be building secure software systems that directly support national defense and cybersecurity missions, where your code has real-world consequences and long-term impact.

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.

Senior Manager, Industrial Security (FSO) | $153K–$175K | Defense & Aerospace | Greenville, TX

Job Title: Sr. Manager, Industrial Security (Facility Security Officer - FSO)
Location: Greenville, TX (Onsite)
Industry: Aerospace / Aviation / Defense
Category: Security / Industrial Security
Seniority Level: Mid-Senior
Employment Type: Full-Time
Work Schedule: 9/80 Regular
Remote/Onsite: Onsite (classified work required)
Travel: Occasional
Visa Candidates Considered: No
Security Clearance Required: Yes (Top Secret/SCI, adjudicated and in-scope T5)
Relocation Assistance: Yes
Compensation:

• Base Salary: $153,000 – $175,000

• Bonus Eligible: No

• Commission: No

• Overtime Eligible: No

• Benefits: Full benefits package included

• Interview Travel Reimbursed: No

Role Overview:

A leading defense and aerospace organization is seeking a Senior Manager, Industrial Security (FSO) to oversee and manage all aspects of classified security operations supporting Department of Defense (DoD) and Intelligence Community (IC) programs. This leadership role is critical in ensuring compliance with national security regulations, managing the security program lifecycle, and protecting sensitive assets, personnel, and facilities.

Key Responsibilities:

• Manage, implement, and enforce security compliance per the National Industrial Security Program (NISP) and 32 CFR Part 117 (NISPOM Rule).

• Serve as the designated Facility Security Officer (FSO) and lead a multidisciplinary security team covering industrial, personnel (PERSEC), physical, and information security.

• Develop and maintain SOPs, Operational Security Programs, and ensure compliance with all federal and company security policies.

• Lead and support government security investigations, audits, and assessments.

• Oversee COMSEC program management, asset tracking, and accountability.

• Conduct security training, briefings, and education for staff with access to classified material.

• Engage with stakeholders to interpret security directives, mitigate insider threats, and respond to compliance challenges.

• Utilize tools and systems such as SIMS, NISS, DISS/NBIS, and maintain familiarity with ICD 705 standards.

• Maintain up-to-date knowledge on evolving federal security regulations and interdisciplinary compliance across IT, cybersecurity, and configuration management.

• Act as a security advisor to site leadership and corporate teams to ensure effective protection of personnel, facilities, and information.

Minimum Qualifications:

• Bachelor’s degree with at least 12 years of relevant experience, or

• Graduate degree with at least 10 years of related experience, or

• 16+ years of experience in lieu of a degree.

• FSO Certification as defined by Defense Counterintelligence and Security Agency (DCSA).

• Minimum 5 years of direct hands-on FSO experience.

• Current DoD Top Secret/SCI clearance with adjudicated, in-scope T5 investigation.

• U.S. Citizenship required.

Preferred Qualifications:

• Counterintelligence or full-scope polygraph.

• Degree(s) in Security Management, Criminal Justice, Homeland Security, or related fields.

• Proficiency in SIMS, NISS, DISS/NBIS; familiarity with ICD 705.

• Experience with Insider Threat Program management.

• Knowledge of COMSEC handling and procedures.

• Professional certifications such as ISP, CPP, or other security designations.

• Familiarity with DCS, FMS programs, or international travel processes.

Ideal Candidate Profile:

• Brings 5+ years of direct FSO experience in a classified defense or intelligence setting.

• Holds a valid FSO certificate and an active Top Secret/SCI clearance.

• Demonstrates deep understanding of DoD and IC regulatory frameworks.

• Highly organized, self-motivated, and capable of operating independently in a fast-paced environment.

• Strong leadership, compliance, and stakeholder engagement skills.

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.