- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec ... 12, 2025 ** 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
- Red River (Chantilly, VA)
- …technical issues on end-user laptops, including both Windows and macOS systems , with a solid understanding of operating system behavior, user profiles, ... you seek to make those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first global service desk team.… more
- AeroVironment (Herndon, VA)
- …Core 1 and Core 2 + Advanced Technical Expertise. + Deep understanding of Windows , macOS, mobile device operating systems , and working knowledge of Ubuntu/Linux ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...experience is a plus) + Proficient in Linux and Windows system administration + Active CompTIA Security+… more
- Tyto Athene (Ashburn, VA)
- …Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for… more
- Link Solutions Inc (Adelphi, MD)
- …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at ... have an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible… more
- Leidos (Arlington, VA)
- …Security+ or Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows ... The Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the...Windows DFS Shares. + Implement and maintain robust system hardening techniques using security compliance tools such as… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- …Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint configuration ... Senior Windows Systems Administrator Clearance...aligning technology with organizational goals. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. +… more
- V2X (Springfield, VA)
- …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall...hands-on experience providing O&M support of enterprise server operating systems (OSs) ( Windows Server, Red Hat Enterprise… more
- General Dynamics Information Technology (Chantilly, VA)
- …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished ... None **Job Family:** IT Infrastructure and Operations **Skills:** Domains,Microsoft Windows Server Infrastructure,Microsoft Windows System ...Lead Windows Systems Administrator to oversee the design, operations,… more
- M. C. Dean (Falls Church, VA)
- …monitoring and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + ... the world for the better. We are seeking a ** System Administrator 1** to join our **Security...Support application of Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).… more
- M. C. Dean (Falls Church, VA)
- …outcomes, improving lives, and changing the world for the better. We are seeking a ** System Administrator 1** to join our **Security and Electronic Systems ... of Experience with a High School Diploma **Required Progressive Experience:** + Requires system administrator experience in performing triage on system … more
- GovCIO (Washington, DC)
- …will be a remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently a ... environment. This position will plan, execute, and implement new system HW and SW and create and maintain team...Science or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith… 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...Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for customer use and ensuring… more
- St. George Tanaq Corporation (Suitland, MD)
- Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… 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 ... an anticipated decision expected by Q3/Q4 of 2026.** The ** System Administrator ** responsibilities include, but are not...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows .… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
- Chenega Corporation (Arlington, VA)
- **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly ... national security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success.… more
- Leidos (Arlington, VA)
- …+ Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured ... Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National...our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be… more
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... limited to:** + Lead and supervise a team of system administrators ( Windows /Linux/VMWare) and IT support staff....or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
