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Senior Systems Engineer - Clearance Required

Job in Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-08-04
Job specializations:
  • IT/Tech
    Systems Engineer, Unix/Linux
Salary/Wage Range or Industry Benchmark: 85500 - 150765 USD Yearly USD 85500.00 150765.00 YEAR
Job Description & How to Apply Below

Responsibilities

In this important role you will:

  • Assist in systems integration and test execution for Cross Domain Solutions at operational sites.
  • Develop, review, and maintain comprehensive test artifacts (plans, procedures, reports).
  • Assist in hardware and software test execution, document results, and track discrepancies.
  • Assist in test anomaly investigation and troubleshooting activities.
  • Ensure compliance with functional and technical specifications, standards, and DOD security practices.
  • Resolve hardware/software interface issues and support system wide integration from Factory Acceptance Testing through delivery to customer sites.
  • Support Program management in proposal planning and execution.
Who You Are

The ideal candidate will be an experienced and skilled professional with a strong technical background, excellent problem‑solving skills, and the ability to collaborate with cross‑functional teams.

Basic Qualifications
  • Current/Active DoD Top Secret Security Clearance investigation within 5 years from investigation close date.
  • Must be able to obtain and maintain Special Access Programs (SAP) access.
  • DoD
    8140 certification – e.g., Security+.
  • Proven background in Integration and Test Engineering.
  • Strong IT operations experience: task assignment, schedule management, and oversight of operational systems.
  • Hands on system administration expertise on RHEL Linux and Solaris platforms.
Desired Skills
  • Direct experience with Cross Domain Solutions (e.g., TMAN, Radiant Mercury).
  • Hands on work with Cisco routers and switches.
  • Experience installing, updating, and troubleshooting mission critical system software.
  • Knowledge of DOD security standards, STIG compliance, and system accreditation processes.
  • Experience with software testing and use of test automation tools (e.g., Eggplant, TWIN).
Security Clearance

This position requires a government security clearance; you must be a US Citizen for consideration. Clearance Level: Top Secret with Investigation or CV date within 5 years.

Compensation

The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. Compensation may vary by final work location.

Benefits
  • Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability.
  • 401(k) match, Flexible Spending Accounts, Employment Assistance Program, Education Assistance.
  • Parental Leave, Paid time off, Holidays.
Work Schedule

Schedule for this Position: 4×10 hour day, 3 days off per week.

Equal Opportunity Employer

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

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Position Requirements
10+ Years work experience
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