• Principal/Sr. Principal Computational Physicist

    Northrop Grumman (Annapolis Junction, MD)
    …multi-disciplinary environment. + Ability to obtain and maintain a Top Secret (TS/ SCI ) with polygraph clearance per business requirements. US Citizenship is ... environment. + Ability to obtain and maintain a Top Secret (TS/ SCI ) with polygraph clearance per business requirements. US Citizenship is a requirement of this.… more
    Northrop Grumman (08/02/25)
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  • Senior Mission / Systems Engineer

    RTX Corporation (Annapolis Junction, MD)
    …citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI without Polygraph Raytheon Company Managed ... and testing efforts. + Active and transferable US government issued Top Secret SCI (TS/ SCI ) security clearance required prior to start date. + US citizenship… more
    RTX Corporation (07/24/25)
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  • Senior Network Analyst

    Parsons Corporation (Chantilly, VA)
    …Required Skills: + Must be a US Citizen + Candidate must have a current TS/ SCI clearance with Poly + Bachelor's degree in a technology related discipline or ... Familiar with server and networking equipment rack installations Security Clearance Requirement: An active Top Secret SCI ...Security Clearance Requirement: An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (08/23/25)
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  • Contractor Program Security Officer (Cpso)

    RTX Corporation (Columbia, MD)
    …degree, 6 years of related experience. + Demonstrate professionalism and discretion handling sensitive information . + Interest in developing a career in national ... or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required,… more
    RTX Corporation (08/14/25)
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  • Tier One Site Operator, Night Shift

    RTX Corporation (Springfield, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with Poly - Current At Raytheon, ... of 5 years of prior relevant experience. + Active and transferable US government issued TS/ SCI CI Poly security clearance is required prior to start date. US… more
    RTX Corporation (08/29/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with CI Poly - Current At ... of 5 years of prior relevant experience. + Active and transferable US government issued TS/ SCI CI Poly security clearance is required prior to start date. US… more
    RTX Corporation (08/29/25)
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  • Principal Platform Engineer / Linux (Onsite)

    RTX Corporation (Springfield, VA)
    …US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with Polygraph At Raytheon, the ... + Experience with networking administration: LAN and firewalls (Cisco preferred) + Current TS/ SCI / CI Poly issued security clearance is required day 1.… more
    RTX Corporation (08/08/25)
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  • Principal Signals Software Engineer (Onsite)

    RTX Corporation (Fort Meade, MD)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with Poly - Current At Raytheon, ... concepts and requirements. **Qualifications You Must Have** + Active and transferable **TS/ SCI with Polygraph** US government issued security clearance prior to… more
    RTX Corporation (08/30/25)
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  • Senior Java Software Engineer (Onsite)

    RTX Corporation (Fort Meade, MD)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with Poly - Current At Raytheon, ... technology to drive innovation. **Qualifications You Must Have** + Active and transferable TS/ SCI with Polygraph US government issued security clearance prior to… more
    RTX Corporation (08/30/25)
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  • Senior Software Infrastructure Engineer (Onsite)

    RTX Corporation (Fort Meade, MD)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/ SCI with Poly - Current At Raytheon, ... **Qualifications You Must Have** + Active and transferable US government issued **TS/ SCI with Polygraph** security clearance is required prior to start… more
    RTX Corporation (08/30/25)
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