• Sr Specialist, Systems Engineer (Cloud…

    L3Harris (Chantilly, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr Specialist, Systems Engineer (Cloud Systems) Job Code: 32135 ... minimum of 10 years of prior related experience + Ability to obtain a TS /SCI security clearance + 4+ years experience decomposing complex requirements into… more
    L3Harris (12/21/25)
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  • Software Engineer

    CACI International (Austin, TX)
    …**Qualifications:** _Required:_ + US Citizenship and ability to obtain a TS /SCI security clearance + Bachelors or equivalent in Computer Science, Computer ... Software Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (01/14/26)
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  • Senior Systems Engineer

    Leidos (San Francisco, CA)
    **Description** Leidos is looking for a Systems Engineer with a TS /SCI with polygraph to support work on an information technology (IT) contract. **T** he ... approach and feasibility of design within time, cost, and security requirement constraints. The Systems Engineer will...HVAC service provider. Basic Qualifications: + Must have a TS /SCI clearance with polygraph to be considered. + Must… more
    Leidos (12/10/25)
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  • Senior Platform Engineer (OnSite)

    RTX Corporation (Aurora, CO)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI without Polygraph At Raytheon, ... a safer, more secure world. As a **Senior Platform Engineer ** , you will herald a transformative era in...C#, Go) + Experience with RedHat Linux + Current TS /SCI issued security clearance is required day… more
    RTX Corporation (01/14/26)
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  • Senior Software Engineer

    CACI International (Denver, CO)
    Senior Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... Posting End: 3/14/2026 **The Opportunity:** CACI is seeking a Senior Cloud Software Engineer to join our Fusion Analysis & Development Effort (FADE) team at our… more
    CACI International (01/14/26)
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  • Network Communications Engineer

    DCCA (Boulder, CO)
    …compensation and benefits package. Visit our website at: www.dcca.com Network Communications Engineer Must possess a current TS /SCI Clearance w/ a polygraph. ... Engineer shall have 7 years of relevant experience, Security +/CCNP/CASP+/SCCP+ or equivalent certification IAW DoD 8140. A BS...lieu of a BS degree. Must possess a current TS Clearance with SCI Eligibility. Member will additionally be… more
    DCCA (12/02/25)
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  • Cyber Reverse Engineer

    CACI International (Sterling, VA)
    …in writing the findings of your analysis.** **Qualifications:** **_Required:_** **Active TS /SCI clearance** **Bachelor of Science degree in Computer Science, ... Cyber Reverse Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (12/24/25)
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  • Lead Cyber Operations Engineer

    The MITRE Corporation (Mclean, VA)
    …latest tools and techniques employed by forensic examiners + Having prior held Top Secret /SCI/Suitability in the past + Strong written and Oral communications ... Roles & Responsibilities: MITRE is seeking strong technical candidates with a computer science, software engineering or related background to join a research and… more
    The MITRE Corporation (12/25/25)
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  • Associate Modeling and Simulation Engineer

    The MITRE Corporation (Mclean, VA)
    …or obtain, within one year from the date of hire, the following clearance(s): Top Secret Salary compensation range and midpoint: $86,000 - $107,500 - $129,000 ... looking for a for someone eager to apply their software development and computer science skills in a dynamic research environment supporting the Immersion Discovery… more
    The MITRE Corporation (12/13/25)
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  • HVAC Engineer

    DCCA (Boulder, CO)
    …of Openings 1 Apply Now (https://phg.tbe.taleo.net/phg02/ats/careers/v2/applyRequisition?org=DCCAMD&cws=39&rid=2429) HVAC Engineer Candidate must have an active ... HVAC Engineer Location Boulder, CO Job Code 2429 #...as a contractor, we are responsible for facility management, security , and infrastructure support for the research facility, cybersecurity,… more
    DCCA (11/14/25)
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