- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... Seeking qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid… more
- Constellation (Baltimore, MD)
- …and projects, to include both cloud, non-cloud and hybrid-cloud models. The IT Systems Administrator will be expected to provide technical expertise to support ... level technical assistance, and escalate as needed for timely resolution of IT network and systems outages. + Advanced working knowledge of IT network and … more
- Arena Technical Resources, LLC (Silver Spring, MD)
- Systems Administrator Location: Silver Spring, US Job ID: ATR 17335 Job Description Job Title: Systems Administrator Location: Silver Spring, MD - Hybrid ... the stability, security, and scalability of Linux and Windows systems - Troubleshoot firewall and network policies (LAN, WAN, VPN) - Review system error logs… more
- GovCIO (Annapolis, MD)
- …**Location** _US-Remote_ **ID** _2025-6239_ **Category** _IT Infrastructure & Network Engineering & ... **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to...and automate administration tasks + Recommend changes to improve systems and network configurations, and determine hardware… more
- Huntington Ingalls Industries (Fort Meade, MD)
- …. Essential Job Responsibilities + Maintains smooth operation of multi-user computer systems , including coordination with network administrators. + Duties may ... TS/SCI with Poly Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare … more
- Huntington Ingalls Industries (Columbia, MD)
- …the interview process. Job Description Enlighten is looking for a Field Engineer/Linux Systems Administrator to support operational systems at multiple ... project managers. + Have a broad understanding of software systems , along with backup and monitoring software, network... systems , along with backup and monitoring software, network storage and file storage technologies. + Tune, optimize,… more
- Lumen (Annapolis, MD)
- …digitally connect the world and shape the future. **The Role** As the Linux/Unix Systems Administrator , you will be responsible for managing and maintaining the ... voice technologies in large-scale network environments + Application of network security, server operating systems , virtualization, and open-source platforms… more
- Nightwing (Annapolis Junction, MD)
- …defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program ... and troubleshooting, system hardening, vulnerability assessment, OS patching and general network administration across various computing systems . Coordinating IT… more
- Northrop Grumman (Linthicum Heights, MD)
- …career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in Annapolis Junction, ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...mission, we will support yours of expanding your personal network and developing skills, whether you are new to… more