- ABBTECH Professional Resources, Inc. (Washington, DC)
- …for a System Administrator. The System Administrator will be responsible for the administration and support of the organization's storage systems and operating ... **Key Responsibilities:** + Manage, configure, and maintain Windows and Linux operating systems across a variety of environments (on-premises and cloud). + Install,… more
- General Dynamics Information Technology (Fairfax, VA)
- …Description:** At GDIT, people are our differentiator. Our work depends on an HPC Systems Admin joining our team to support the National Oceanic and Atmospheric ... opportunity. In this role, a typical day will include: . Applying current HPC systems administrative skills; desire to learn and deploy new technologies. .… more
- CACI International (Chantilly, VA)
- …resolutions. **More About The Role:** + Install, configure, manage, and maintain Linux OS systems in various environments (physical, virtual, cloud). + Install, ... * **The Opportunity:** CACI is looking for an Operating Systems ( OS ) Administrator Linux to support the...OS Subject Matter Expertise and be responsible for administration , maintenance, and sustainment for the SIPR solution on… more
- CACI International (Chantilly, VA)
- …**More About the Role:** + Install, configure, manage, and maintain Windows OS systems in various environments (physical, virtual, cloud). + Install, ... * **The Opportunity:** CACI is looking for an Operating Systems ( OS ) Administrator Windows to support the...OS Subject Matter Expertise and be responsible for administration , maintenance, and sustainment for the SIPR solution on… more
- IBM (Washington, DC)
- …change agent Experience with three or more of the following: * Operating system administration (Linux, Windows, z/ OS ) * TCP/IP network and LDAP administration ... * Education: Computer Science, Data Science or Engineering, Information Systems , or equivalent technical degree/experience. * Strong communication / intellectual… more
- Leidos (Washington, DC)
- …system health. **Qualifications:** + Bachelor's degree in Computer Science, Information Technology, Systems Administration , or a related field and 4+ years ... software installation, system configuration, and patch management. + Improve system administration workflows by automating routine administrative tasks, reducing… more
- Ensono (Washington, DC)
- Mainframe Application Support (z/ OS )Remote - United StatesJR011113 **Mainframe Application Support (z/ OS )** At Ensono, our **Purpose is to be a relentless ally, ... and IT service management, ensuring the smooth operation of IT services and systems . You will also be involved in problem management, database technology … more
- ManpowerGroup (Manassas, VA)
- …client, a leading provider of secure financial messaging services, is seeking an IT RHEL OS Administrator to join their team. As an IT RHEL OS Administrator, you ... which will align successfully in the organization. **Job Title:** IT RHEL OS Administrator **Location:** Manassas, Virginia **Pay Range:** Not specified **What's the… more
- Rocket Software (Washington, DC)
- …with challenges assertively and persuasively. + Self-manage assignments and administrative tasks, managing multiple projects simultaneously from start to finish. ... expertise required. + A minimum of 5+ years CICS Systems programming experience. + Familiarity with CICS trace and...the cars we drive, Rocket solutions power the back-end systems that thousands of brands rely on every day.… more
- NANA Regional Corporation (Vienna, VA)
- …research, communications guidance, and technical support services + Conduct research in open source (OSINT) database to determine status violations and lead ... RiverTech is seeking a Junior Administrative (Intelligence) Analyst for our team in Vienna,...visitors, and visa classifications and knowledge of DHS ADP systems . **Job ID** 2025-16752 **Work Type** On-Site **Company Description**… more
- BAE Systems (Herndon, VA)
- **Job Description** BAE Systems , a top-ten prime contractor to the US Department of Defense, enables the US government to transform data into intelligence and ... engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to the… more
- Criterion Systems (Reston, VA)
- …disk usage, and response times to maintain operating efficiency. + Performs systems security administration functions, including creating user profiles and ... Overview At Criterion Systems , we developed a different kind of business-a...with current/very recent experience., to include experience with Linux OS upgrades in a cloud environment. Linux (CentOS, RHEL,… more
- Criterion Systems (Reston, VA)
- …disk usage, and response times to maintain operating efficiency. + Performs systems security administration functions, including creating user profiles and ... Overview At Criterion Systems , we developed a different kind of business-a...with current/very recent experience., to include experience with Linux OS upgrades in a cloud environment. + Experience working… more
- Northrop Grumman (Dulles, VA)
- …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared… more
- Battelle Memorial Institute (Chantilly, VA)
- …on-network cyber assessment toolkit utilizing terminal access point (TAP), commercial and open - source sensors and analytic tools. + Assist with on-site surveys, ... and address cyber security issues in computer networks and systems . The position location is our **Chantilly, VA office**...a related field. + Firsthand experience with commercial and open - source assessment tools (eg, Elastic, Security Onion,… more
- Serco (Arlington, VA)
- …+ Provide senior-level technical support for IBM z/ OS mainframe systems , including installation, implementation, administration , and maintenance. + Perform ... Engineer to lead technical support and management for IBM z/ OS mainframe-based solutions. **As an Mainframe Systems ...in the installation, implementation, and performance testing of IBM z/ OS Parallel Sysplex systems , including shared and… more
- Guidehouse (Springfield, VA)
- …a large IC Agency Security & Infrastructure Office providing technical support, systems administration , application administration , and system security to ... network issues (frequency: daily as needed). + Perform server administration , to include admin console commands and...work experience with FOUR (4) years of experience in Systems Administration (An advanced degree can replace… more
- Fiserv (Gaithersburg, MD)
- …for operating systems and for software components. + Configuration and administration of CICS Webservices or CICS Liberty Profile JVMs including URIMAPs and ... on a global scale, come make a difference at Fiserv. **Job Title** Mainframe Systems Architect (CICS) **What does a successful Mainframe Systems Architect (CICS)… more
- Saliense Consulting (Arlington, VA)
- …support, administration , and engineering on all Microsoft Windows Operating Systems . + Monitors, performance tunes, troubleshoots and resolves systems ... is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in support of...entire VMWare environment. + Leads and performs changes to OS , databases, applications, servers, storage, network, and backups in… more
- SAIC (Washington, DC)
- …candidate will be a subject matter expert in Microsoft and Linux systems administration with hands-on experience in identity federation, enterprise directory ... **Description** SAIC is seeking a **Senior Systems Engineer** to support a critical US government...Active Directory, Entra ID (formerly Azure AD), and Unix/Linux OS environments. + Provide expert support for: + Active… more