Clearance Jobs

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.

 

Senior Embedded Software Engineer | $177K | Aerospace & Defense | Santa Barbara, CA

Senior Embedded Software Engineer

Location: Santa Barbara, CA (On-Site, 9/80 Schedule)
Industry: Aerospace / Aviation / Defense
Seniority Level: Mid-Senior
Travel: 10-15%
Security Clearance: Ability to obtain U.S. security clearance required
Visa Sponsorship: Not available
Compensation: $111,000 - $177,000 per year
Relocation Assistance: Possible for ideal candidate

Position Overview

The Senior Embedded Software Engineer will design, develop, and integrate real-time embedded software for mission-critical defense and aerospace systems. This role involves working on turreted weapons systems, debugging existing solutions, and implementing new capabilities in both lab and field environments.

Key Responsibilities

  • Software Development: Design, code, debug, and integrate embedded real-time control software.

  • System Integration: Work in Systems Integration Lab and field settings to integrate new capabilities.

  • Performance Optimization: Deliver executable software that meets performance requirements.

  • Technical Documentation: Ensure all required documentation is completed per contractual obligations.

  • Collaboration: Work closely with engineers, system architects, and program managers.

  • Reporting: Provide regular project status updates to management.

Must-Have Qualifications

  • Bachelor’s Degree in Electrical, Computer, or Software Engineering (or related field with relevant experience)

  • 7+ years of experience in embedded real-time software development

  • Proficiency in C language (Java is a plus)

  • RTOS experience (bare metal and embedded Linux preferred)

  • Experience with communication protocol drivers (UART, SPI, I2C, networking, 1553, etc.)

  • Ability to read and interpret electronic schematics and protocol documentation

  • Ability to obtain a U.S. security clearance

Nice-to-Have Qualifications

  • Master’s Degree in a relevant field

  • Experience with Unix internals, low-level driver software, or GUI software

  • Strong background in applied science, data acquisition, and diagnostics

Behavioral & Technical Competencies

  • Strong problem-solving and analytical skills

  • Excellent communication and teamwork abilities

  • Ability to work independently and manage multiple tasks

  • High attention to detail and quality orientation

Why Join Us?

  • Comprehensive Benefits: Medical, dental, and vision coverage from day one

  • Flexible Vacation Policy

  • 401K, Profit Sharing, & Employee Stock Purchase Plan

  • Tuition Reimbursement Program (up to $15K per year)

  • Work-Life Balance: 9/80 schedule with every other Friday off

 

Learn more