- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USDenver, CO, USDallas, TX, USWashington DC, DC, USAtlanta, GA, USKansas City, MO, US Jan ... 10, 2026 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...the latest applications, technologies, and their integration into existing systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead… more
- AeroVironment (Arlington, VA)
- …Type** Regular **Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management of 24x7 ... and alerting systems + Routine monitoring and integrity verification of system backup + Conduct periodic vulnerability scans to ensure compliance with system… more
- Infinity Systems Engineering (Alexandria, VA)
- …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The ideal candidate will… more
- General Dynamics Information Technology (Washington, DC)
- …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...system security controls. + Provide support to IT systems including day-to-day operations, monitoring and problem resolution for… more
- St. George Tanaq Corporation (Suitland, MD)
- Senior System Administrator -...Work both independently as well as in coordination with Systems administrators to maintain the smooth operation of a ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
- St. George Tanaq Corporation (Suitland, MD)
- Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support… more
- DCCA (Columbia, MD)
- Senior System Administrator Location Columbia, MD Job Code 2215 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com Senior System Administrator Candidate must have an active TS/SCI… more
- CACI International (Fort Meade, MD)
- Senior Systems Administrator Job...system infrastructure and any processes related to these systems . The Senior Systems ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide...Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
- CACI International (Arlington, VA)
- …and problem-solving skills supporting mission-critical environments. _Desired:_ * ServiceNow Certified System Administrator (CSA) - required or must be obtained ... Senior ServiceNow Administrator Job Category: Information...and features aligned with mission objectives. * Maintain comprehensive system documentation, SOPs, and configuration baselines. * Ensure platform… more
- CVS Health (Annapolis, MD)
- …and every day. **Position Summary** Under supervision of the Billing Manager, the Senior Billing Administrator is responsible for the processing and distribution ... of the monthly premium invoices. The Senior Billing Administrator must review invoices for...accuracy and make any necessary adjustments in the billing system . They serve as a first point of escalation… more
- UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
- **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
- Leidos (Camp Springs, MD)
- **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... integrate automation, cloud, hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key member of the Hosting… more
- System One (Silver Spring, MD)
- Senior Subcontract Administrator Remote System One is currently seeking a motivated/seasoned individual to serve as a Senior Subcontract Administrator ... skills, and demonstrated proficiency in utilizing Cost Point Procurement systems is preferred * US Person/Citizen System ...Procurement systems is preferred * US Person/Citizen System One, and its subsidiaries including Joule, ALTA IT… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
- GliaCell Technologies (Annapolis Junction, MD)
- Are you a Senior Database Administrator / Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like ... Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces....amazingly talented people Job Description: GliaCell is seeking a Senior Database Administrator / Engineer on one… more
- BAE Systems (Washington, DC)
- …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking ** System Administrators** to...an anticipated decision expected by Q3/Q4 of 2026.** The ** System Administrator ** responsibilities include, but are not… more
- BAE Systems (Washington, DC)
- …incentives may be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site Equal Opportunity ... **Job Description** BAE Systems is seeking **Database Administrators** to join our...This effort focuses on providing a comprehensive set of System / Software Engineering and IT Services to maintain, sustain,… more
- GovCIO (Washington, DC)
- **Overview** GovCIO is currently hiring a Senior ServiceNow Administrator /Developer to support our USSS Network Operations and Security Center (NOSC) proposal. ... $140,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6167/ senior -servicenow- administrator -developer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-DC-_ **ID** _2025-6167_ **Category**… more
- ManTech (Washington, DC)
- **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... of five (5) years of related experience in computer hardware, software, networking systems , and in the set-up, configuration, use, and troubleshooting of computer … more
- Synergy ECP (Columbia, MD)
- Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service ... or any other protected class. Job Description: This position is for System Administration support for development and production environments for a mission critical… more
