• Acquisition Security Analyst

    ManTech (Los Angeles, CA)
    …numerous DOD, military/civilian personnel and industry partners. **Security Clearance:** + Current Top Secret Clearance with SCI Eligibility + Eligibility ... to:** + In-depth lifecycle program analysis to identify critical program information (CPI), Critical System Resources (CSR), and their associated vulnerabilities.… more
    ManTech (12/17/25)
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  • Software Engineer - Level T03/T04 (Space Systems)

    Northrop Grumman (Manhattan Beach, CA)
    …an additional 4 years of experience may be considered in lieu of degree + Active Top Secret / SCI clearance at the time of application, and ability to ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description**...a dynamic environment, and to be highly self-motivated, reporting information to leads and the customer. The candidate is… more
    Northrop Grumman (11/01/25)
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  • Principal Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you...Must have an active a transferable US government issued TS / SCI CI Poly security clearance or prior… more
    RTX Corporation (12/05/25)
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  • Manager Business Development 3 (SIGINT req'd)

    Northrop Grumman (Mcclellan, CA)
    …level presentations + Experience leading teams + US Citizenship with a current/active TS / SCI with the ability to obtain a Full Scope Polygraph **Preferred ... history, they're making history. Northrop Grumman's Mission System's Networked Information Solutions (NIS) Division is seeking a **Business Development...Qualifications:** + Current TS / SCI with a Full Scope Polygraph +… more
    Northrop Grumman (11/21/25)
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  • Senior RF Engineer

    Lockheed Martin (Sunnyvale, CA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Microwave, HFSS\)\. \- Must be able to obtain a TS / SCI clearance; US citizenship required **Desired Skills:**...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (01/08/26)
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  • Software Integration Systems Engineer

    SAIC (Redondo Beach, CA)
    …for diverse locations this is the job for you! This position requires an **active TS / SCI security clearance with Polygraph** and is in **El Segundo, CA.** In ... hardware. + Support request for change (RFC) processes. **Qualifications** + **Active TS / SCI security clearance with Polygraph.** + Bachelor's degree in STEM… more
    SAIC (01/08/26)
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  • Senior Electromechanical Engineer

    Lockheed Martin (Sunnyvale, CA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... in highly integrated, cross\-functional engineering environments * Ability to obtain a TS / SCI clearance **Desired Skills:** * Bachelor's or Master's degree in… more
    Lockheed Martin (01/08/26)
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  • Electromagnetic Warfare Planner (Strategic Planner…

    HII (Shafter, CA)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $115,595.00 - $155,000.00 Security Clearance: TS / SCI Level of Experience: Senior HI This opportunity resides ... Microsoft Office applications (Word, Excel, PowerPoint) + Clearance: Must possess and maintain a TS / SCI clearance Bonus points for + Bachelor's or minimum of 15… more
    HII (01/07/26)
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  • SIGINT Systems Administrator - Sensor Resource…

    CACI International (Beale AFB, CA)
    … Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: None Type of ... _Required:_ + AAS in Technical Field OR >5 years Exp. in DCGS Environment. + Active TS / SCI Security Clearance. + Security + CE. + ≥2 yrs of DCGS Experience. + ≥3… more
    CACI International (01/06/26)
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  • Mechanical Ground Support Equipment Engineer…

    The Boeing Company (El Segundo, CA)
    …or similar CAD software + Ability to obtain and maintain a TS / SCI clearance **Preferred Qualifications (Desired Skills/Experience):** + Experience with ... test, and launch operations + Knowledge of operational safety requirements + Active TS / SCI clearance **Conflict of Interest:** Successful candidates for this job… more
    The Boeing Company (01/05/26)
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