• Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that… more
    DirectEmployers Association (11/22/25)
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  • ABBTECH Professional Resources, Inc. (Reston, VA)
    ** Systems Engineer** **Location- Reston, Va** **Clearance- TS /SCI w/ FSP** **Salary- $200k-$215k/yr** _The above salary range represents the range expected for ... (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate) - 3 + years of C2S experience - Cloud… more
    DirectEmployers Association (10/22/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    …and benefits package. Visit our website at: www.dcca.com System Administrator 3 Candidate must have an active TS /SCI w/ Poly For over 40 years, ... System Administrator 3 Location...dedication to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux… more
    DCCA (11/17/25)
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  • Test Lab Administrator 3 (AHT)

    Northrop Grumman (Los Angeles, CA)
    …they're making history. Northrop Grumman Defense Systems is seeking a **Test Lab Administrator 3 ** to join the Advanced Weapons group in Northridge, CA. The ... to rules and guidelines **Basic Qualifications for Test Lab Administrator 3 :** + Bachelor's degree in STEM...Secret security clearance or higher. **Preferred Qualifications** + Top Secret Clearance + Knowledge of SW… more
    Northrop Grumman (09/25/25)
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  • Network Administrator 3 -Salt Lake…

    M. C. Dean (Bluffdale, UT)
    …MC Dean is seeking a highly competent TS /SCI with Polygraph cleared **Network Administrator 3 ** to assist on the design and maintenance of its network of ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (11/26/25)
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  • Database Administrator 3

    M. C. Dean (Annapolis Junction, MD)
    …of technical leaders in electrical, engineering, and cybersecurity industries. Seeking a **Database Administrator 3 ** that is able to work with a dynamic team ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient,...of system engineers and administrators responsible for design, implementation, operations… more
    M. C. Dean (11/26/25)
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  • Contract Administrator 3 or 4

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... pioneering spirit to our inclusive team. As a **Contracts Administrator - Level 3 (Principal) or 4...and maintain SCI approval/access **Your Preferred Edge:** + Active Top Secret /Sensitive Compartmented Information (SCI) clearance at… more
    Northrop Grumman (10/29/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis, MD)
    …\n \n <\/div> ​<\/span><\/span><\/span> <\/p> \x26nbsp;<\/span><\/span><\/span><\/b> <\/span><\/span> The Level 3 System Administrator (SA) shall possess ... information, or any other reason prohibited by law in employment.<\/div><\/div>","faviconId":"rzdliec182fab1ef548499d4ddfcbeeacba4f","jobTitle":" System Administrator Level 3 ","companyName":"Jovian Concepts,… more
    Jovian Concepts, Inc. (09/24/25)
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  • Contracts Administrator - Level 3

    Northrop Grumman (Linthicum Heights, MD)
    …federal government contracting requirements; FAR/DFAR interpretations + Department of Defense (DoD) Top Secret ( TS ) clearance with Special Compartmented ... you start. Northrop Grumman is currently seeking a **Contracts Administrator - Level 3 (Principal) or 4...+ An active US Government Department of Defense (DoD) Top - Secret ( TS ) or Secret more
    Northrop Grumman (12/11/25)
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  • Contracts Administrator - Level 3

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... and quest for exploration are welcome. As a Contracts Administrator - Level 3 your role at...professional experience + Requires an active US Government DoD Top - Secret security clearance at time of application,… more
    Northrop Grumman (12/02/25)
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  • (DoD SkillBridge) Contract Administrator 2…

    Northrop Grumman (El Segundo, CA)
    …application) Northrop Grumman's Tactical Space Systems organization is seeking a **Contracts Administrator - Level 2 or 3 (Principal)** in El Segundo, CA. ... working with MS Office Suite and Adobe + Requires an active Top - Secret /Sensitive Compartmented Information (SCI) clearance at time of application **What… more
    Northrop Grumman (11/23/25)
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  • Systems Administrator (Level 2…

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3 )** supporting the Integrated National ... **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these...5+ years of relevant experience; OR Master's degree with 3 + years of experience + **Active TS /SCI… more
    Northrop Grumman (11/06/25)
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  • Tier 3 Network Administrator

    CACI International (Reston, VA)
    Tier 3 Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... (UC), Video telecommunication and Streaming services. As a Tier 3 Network Administrator , you'll be challenged with...in the Network. **Responsibilities:** In this role the Network Administrator will be responsible for: + Performing System more
    CACI International (12/11/25)
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  • Systems Administrator 3

    M. C. Dean (Omaha, NE)
    …including US Citizenship, for access to classified information; **Active Top - Secret /SCI Clearance required.** Responsibilities + Administer both developmental ... security backend systems ** , including: + Network administration + Operating system configuration + Hardware and software management + Ensure systems meet… more
    M. C. Dean (10/11/25)
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  • Principal Contract Administrator

    Northrop Grumman (Elkton, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... the future. Northrop Grumman is seeking a Principal Contract Administrator (Level 3 ) to join its team...Word, PowerPoint, SharePoint). + Candidate must have and maintain Top Secret Clearance **Preferred Qualifications:** + Experience… more
    Northrop Grumman (11/05/25)
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  • Systems Administrator 3

    Huntington Ingalls Industries (Wright Patterson AFB, OH)
    …Huntington Ingalls Industries, Technical Solutions Division (HII-TSD) is currently seeking a Systems Administrator . The ideal candidate works well in an agile, ... to perform identification, troubleshooting, and diagnosis of hardware failures and restore system capability to operations. + Provide administrator support (User… more
    Huntington Ingalls Industries (09/25/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …operating systems enhancements to improve reliability and performance. System Administrator (SA) shall possess the following capabilities: Provide ... in the intelligence community, defense, civil, and commercial markets. The Systems Administrator will provide support for implementation, troubleshooting and… more
    Nightwing (09/22/25)
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  • Systems Administrator 3

    Huntington Ingalls Industries (Fort Meade, MD)
    …including coordination with network administrators. + Duties may include setting up administrator and service accounts, maintaining system documentation, tuning ... Full Time/Salaried/Exempt Anticipated Salary Range: $87,990.00 - $144,500.00 Security Clearance: TS /SCI with Poly Level of Experience: Mid This opportunity resides… more
    Huntington Ingalls Industries (10/07/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …to obtain DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 3 + years of experience with Splunk Enterprise ... customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    BCMC (10/16/25)
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  • Multifunctional System Administrator

    Lockheed Martin (Greenville, SC)
    …a US Navy Squadron based in Iwakuni, Japan\. We are seeking an experienced Systems Administrator who has some knowledge of Network and Database administration to ... issues with internal databases and applications * Setting up administrator and service accounts * Installing system ...environment\. *Prior experience working as an F\-35 ALIS Database, Systems , Security OR Network Administrator *Hands on… more
    Lockheed Martin (12/11/25)
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