- 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
- Applied Research Solutions (Washington, DC)
- …developing, and maintaining integrations between cloud-based applications and on-premise systems . You'll work closely with cross-functional teams to ensure seamless ... our awards and recognition program, and personalized attention from ARS Senior Managers. Responsibilities include: + Administer and maintain cloud-hosted application… more
- Tyto Athene (Washington, DC)
- …will be clear and provide sufficient detail for a mid-level system or network administrator to understand what has occurred and what needs to take place to remediate ... with Splunk SIEM. + At least three years of experience working at a senior level, performing analytics examination of logs and console events and creating advance… 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 ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
- Tyto Athene (Reston, VA)
- **Description** Tyto Athene is hiring a ** Senior DevOps Engineer** to join our team of cloud, security, and compliance experts. In this role, you will help ensure ... the security, confidentiality, integrity, and availability of AWS-based applications and systems . You will be responsible for designing, implementing, and optimizing… more
- Red River (Chantilly, VA)
- …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. ... calls and assigned tickets from users experiencing challenges with systems , applications, and infrastructure. Whether working independently or collaboratively, your… 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 join our...anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +… more
- General Dynamics Information Technology (Fairfax, VA)
- …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** at GDIT. Shape what's next ... At GDIT, people are our differentiators. Our work depends on a ** Senior Systems Administrator ** joining our CNIC Applications Support team which provides… more
- CACI International (Annapolis Junction, MD)
- Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... system infrastructure and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some… more
- The Boeing Company (Herndon, VA)
- …and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle system administration...Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience… more
- Chenega Corporation (Fort Belvoir, VA)
- Senior Systems Administrator Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System ... and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and applications… 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 ... and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success. Come help… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... much more. **Join us and make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital role in maintaining the… 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 ... and 7 years' experience, or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a leadership role + Experience in… 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. ... of five (5) years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree in Computer Science or… more
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support ... are not limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks + Monitor system… 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 ... may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal Opportunity… more
- 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 Windows ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
- 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 & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems… more
- GovCIO (Washington, DC)
- **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be fully remote. ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7168/ senior -network- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-7168_… more
