- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... activities within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The… 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 ... Science or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith...working in an environment with complex networking solutions with senior level fundamental knowledge in networking principles, + Transmission… 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 Adelphi, ... an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the… 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 ... Lead Windows Systems Administrator to oversee the design, operations,...Windows infrastructure that supports analysts and scientists. This senior leadership role will shape the stability, security, and… more
- M. C. Dean (Falls Church, VA)
- …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... monitoring and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + Support… more
- M. C. Dean (Falls Church, VA)
- …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
- BAE Systems (Sterling, VA)
- **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based ... Other incentives may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal… 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 ... anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows .… 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)
- …(SSCP)). + 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 instrumental in… 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 ... understanding of client and server operations and maintenance with Windows 10 and 11 environments and Windows ...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
- Aston Carter (Dulles, VA)
- …and database performance. Essential Skills + 5 to 10 years of experience systems administrator + Proficiency in Microsoft Office. + Meraki Networking and ... Job Title: Senior System Administrator Job Description The...Environment The role involves working with a variety of systems including Windows 11, iOS, Windows… more
- Indigo IT, LLC (Washington, DC)
- Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. ... years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree...+ Communicate with vendors as needed. + Microsoft Certified Systems Engineer preferred. + Proficient in Windows … more
- BAE Systems (Sterling, VA)
- …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **117843BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database… more
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common desktop… more
- Insight Global (Herndon, VA)
- Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, ... updates, and auditing across Active Directory, Azure AD, and related services. The Senior IAM Administrator develops and maintains scripts to improve efficiency,… more
- 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
- General Dynamics Information Technology (Sterling, VA)
- …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while ... you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven… more
- BAE Systems (Sterling, VA)
- …improve our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of ... incentives may be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal Opportunity Employer.… 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 ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more