• Senior Platform Engineer / Linux (Onsite)

    RTX Corporation (Dulles, VA)
    …out-of-band management (eg iDRAC, terminal server concentrators) + Experience with Dell and Cisco hardware + Experience with NTP ( Network Time Protocol) + ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (10/09/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Salt Lake City, UT)
    …and cyber domains in the interest of national security. Job Title: Senior Specialist, Network System Engineer Job Code: 30021 Job Location: Salt Lake City, Utah ... every other Friday off Job Description: The Sr. Spec, Network Systems Engineer will act as a...Ability to travel, up to 15% + Experience with network device configuration and troubleshooting (ideally, Cisco more
    L3Harris (10/17/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... eg Active Directory, Identity Management (IdM) **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​… more
    Parsons Corporation (08/15/25)
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  • Sr. Systems Engineer

    TekSynap (Honolulu, HI)
    …+ Perform special projects and other duties as assigned. **REQUIRED QUALIFICATIONS** + ** Top Secret ** OR Higher ORSecret Clearance level with completed T5 ... **Responsibilities & Qualifications** The CSFC Solutions Engineer would assist and support with the development,...and as a member of a team to configure network , software, and hardware networking components and security appliances… more
    TekSynap (09/20/25)
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  • Information Systems Security Engineer

    RedTrace Technologies Inc (Philadelphia, PA)
    … and system compliance issues to ISSM/management. Qualifications: Required: + Current US Government Top Secret Clearance w/ SCI eligibility + Must be a US ... Citizen + Minimum 7 years' experience + Working knowledge of Windows, Linux, and Cisco network environments. + Strong knowledge of RMF, eMASS, ACAS, VRAM, DISA… more
    RedTrace Technologies Inc (10/04/25)
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  • Principal Platform Engineer / Linux…

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... secure world. Raytheon Technologies (RTX) is seeking a **Principal Platform Engineer / Linux** with well-rounded Linux Infrastructure Engineering expertise to join… more
    RTX Corporation (09/09/25)
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  • Unified Communications Engineer

    CACI International (Charlottesville, VA)
    Cisco Unified Communications Manager and UC operations + Network administration/engineering experience + IAT II certification (mandatory) + Strong ... Unified Communications Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/08/25)
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  • Senior. Platform Engineer / Linux (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted ... more secure world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer / Linux** with well-rounded Linux Infrastructure Engineering expertise to join… more
    RTX Corporation (08/16/25)
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  • System Engineer

    Synergy ECP (Landover, MD)
    …Qualifications: . HS Diploma with 6+ years of related experience in the field of electronics, computer/ network hardware . An active TS / SCI . Ability to lift up ... System Engineer Landover, MD (http://maps.google.com/maps?q=Landover+MD+USA+20784) Job Type Full-time Description...veteran status, or any other protected class. Clearance Required: TS /SCI w/ Polygraph Field Engineers - Landover, MD (System… more
    Synergy ECP (10/15/25)
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  • CCSS Principal Systems Engineer - White…

    RTX Corporation (Washington, DC)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do is rooted ... Engineering is anticipating an opportunity for a **Principal Systems Engineer ** . This role is suited for a motivated...Washington, DC and involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts… more
    RTX Corporation (09/19/25)
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