• Linux System Administrator

    ManTech (Fort Meade, MD)
    …TCP, IP, UDP, HTTP, DHCP, and DNS **Clearance Requirement:** + Must have a current/active TS / SCI with Poly **Physical Requirements:** + Must be able to remain in ... MD area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability… more
    ManTech (08/23/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …IP, UDP, HTTP, DHCP, and DNS. **Clearance Requirement:** + Must have a current/active TS / SCI with Poly **Physical Requirements:** + Must be able to remain in ... area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability… more
    ManTech (08/20/25)
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  • Information System Security Engineers

    Artera Technologies (Annapolis Junction, MD)
    …Location: Maryland (Annapolis Junction / Fort Meade area) Security Clearance: TS / SCI with Appropriate Agency Polygraph Artera Technologies, LLC's engineering ... INFORMATION SYSTEMS SECURITY ENGINEERS Job Type: Full Time...environments with platform IT interconnectivity. + Performs system or network designs that encompass multiple enclaves, to include those… more
    Artera Technologies (09/22/25)
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  • Threat Research Analyst - Black Lotus Labs

    Lumen (Annapolis, MD)
    …customer site as needed in Annapolis Junction, Maryland. This position requires an active TS / SCI security clearance w/ CI Poly. **Location** This is a remote ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...Labs has an opening for a Senior Lead Security Engineer that will leverage Lumen's unique visibility to hunt… more
    Lumen (09/17/25)
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  • Principal User Interface Developer 25k Sign…

    Leidos (Columbia, MD)
    …development** with strict performance requirements + **Clearance Requirement** : Active ** TS / SCI with Polygraph** **Preferred Qualifications:** + Experience with ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (09/02/25)
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  • Principal User Interface Developer 25k Sign…

    Leidos (Columbia, MD)
    …from an accredited college or university. + **Clearance Required: Must have TS / SCI with Polygraph** + Must have Java development experience **Preferred ... has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber &...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (07/25/25)
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  • ISSE (ISSO duties)

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Information Systems Security Engineer (ISSE)** to join our team of passionate individuals ... impact on the Nation's security and intelligence mission. **Responsibilities:** + The Information Systems Security Engineer (ISSE) shall perform, or review,… more
    Amentum (07/17/25)
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  • System Administrator - Red Hat Enterprise Linux…

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …Red Hat Certified Architect (RHCA), may offset six months of core IT experience.Active TS / SCI clearance with Polygraph is required. Salary Range: A variety of ... part of an integrated solution, assisting related administrators in troubleshooting network and storage subsystem issues, and automating tasks to efficiently oversee… more
    Kaizen Approach, Inc (09/25/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …and implement secure networking, computing, and enclave environments. **Qualifications** + Active TS / SCI with polygraph clearance. + Fourteen years of IA System ... mission excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers (ISSE) in **Fort Meade, MD** to support a… more
    SAIC (09/04/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …Job Description Enlighten is looking for an Information Systems Security Engineer (ISSE). Candidate will perform system or network designs that encompass ... Enlighten, honored as a Top Workplace from USA Today, is a leader...assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance is required;… more
    Huntington Ingalls Industries (08/08/25)
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