- Charles Schwab (Southlake, TX)
- … Unix Administrator responsible for overseeing, maintaining, and enhancing the security and efficiency of Unix /Linux systems, with a primary focus on ... and privilege elevation mechanisms. This role requires a deep understanding of Unix /Linux operating systems, security best practices, and automation techniques.… more
- First Division Consulting (Dahlgren, VA)
- …contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix /Linux Systems Administrator to support a Department of ... RDT&E (Research, Development, Test & Evaluation) environments, ensuring the functionality, security , and efficiency of Unix /Linux-based systems, networks, and… more
- S4 Inc. (Omaha, NE)
- …experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux/ Unix System Administrator ... Time | Comprehensive and competitive benefits Job Title: Sr. Linux/ Unix Administrator Work Location: USSTRATCOM Offutt AFB...8+ years Certification: Cloud+ or GICSP or SSCP or Security + or GSEC Schedule: Monday - Friday day shift… more
- TISTA Science and Technology (Richmond, VA)
- …and validate and recommend security requirements including RMF. Qualifications + Experienced UNIX Senior Systems Administrator . + Minimum 4 years UNIX ... TISTA Science and Technology Corporation is looking for a Unix Administrator for a 2-month engagement, with...for the implementation of IA solutions including compliance, system security design, security testing and IA assessments.… more
- SAIC (Ashburn, VA)
- …**Position Summary** We are currently seeking a motivated, career and customer-oriented Systems Administrator ( Senior ) to join our team in Ashburn, VA to begin ... an exciting and challenging career. **Candidates must be proficient in Unix , Linux, and Tomcat. Candidates must also have Trillium experience** **Job… more
- WM (Houston, TX)
- …and administration of complex networks and computer systems pertaining to UNIX and/or Linux operating systems. **II. Essential Duties and Responsibilities** + ... technical support and resolves complicated or ambiguous problems regarding UNIX /Linux-based networks, hardware and software. + Develops strategies for complex… more
- Southwest Power Pool (Little Rock, AR)
- …location will all be considered during the hiring process. Lead Database Administrator Pay Range: $109,500.00 - $142,250.00 Senior Database Administrator ... standards and procedures + Collaborate across departments and with external stakeholders ** Senior Database Administrator - Remote Eligible** As a Sr. DBA,… more
- General Dynamics Information Technology (Colorado Springs, CO)
- …the US Army Intelligence and Security Command (INSCOM). **HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT** + Responsible for activities related to ... of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Administrator Senior - TS/SCI required** Transform technology into… more
- BAE Systems (Annapolis Junction, MD)
- …the world's most advanced supercomputers. **About the Role** We're seeking a highly skilled Senior HPC Systems Administrator to join our dynamic team. In this ... + Providing support for enterprise services such as DNS, NFS, email services, security protection mechanisms, and interoperability of UNIX and NT based systems… more
- CACI International (VA)
- …integration into the organization's infrastructure. **Responsibilities:** You will be a Senior Tenable-Nessus Security Administrator for the Engineering ... Senior Tenable Nessus Administrator Job Category:...of relevant experience). + Proven experience as a Nessus-Tenable Security Administrator or in a similar role,… more
- CACI International (Annapolis Junction, MD)
- Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... enterprise IT environments, with a focus on high-assurance systems. This senior -level position involves architecture support, advanced troubleshooting, security … more
- SUNY College of Environmental Science and Forestry (Syracuse, NY)
- …2025 Job Description: Budget Title: Senior Programmer/Analyst Campus Title: Senior Network Administrator Unit: Computing and Network Services Professional ... the position of Senior System Developer. The Senior Network Administrator ( Senior Programmer/Analyst)...center networks, contributing to the overall IT strategy and security posture of the college Primary Responsibilities Reporting to,… more
- Leidos (Annapolis Junction, MD)
- …has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... National** ** Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation, troubleshooting, and… more
- TISTA Science and Technology (Austin, TX)
- Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle critical problems. You'll provide patching support, ... + Serves as part of the technical team of Linux/ Unix System Administrators (SA) who oversees, manage and assists...and performs proper incident handoff to the next shifts Senior Linux SA team lead, and facilitates discussion with… more
- Integration Innovation, Inc. (i3) (Washington, DC)
- Overview i3 is seeking a Senior Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to ... in order to support maintained operation and compliance with security hardening / patching schedule. + Maintain documentation for...instant clone virtual machines that are a mix of Unix based and Windows based systems. + Plan and… more
- UIC Government Services and the Bowhead Family of Companies (Corona, CA)
- **Overview** Bowhead seeks a Senior Systems Administrator to join our team supporting the Program Office for NSWC Corona in Norco, California. The Senior ... environment. This position is 100% onsite. **Responsibilities** * Systems Administrator administers and supports daily operational requirements of computer network… more
- Lockheed Martin (Huntsville, AL)
- **Description:** The System Administrator performs general account maintenance, group policy and anti\-virus updates, preventative maintenance, and provides ... customer contacts\. The duties include, but are not limited to: * Linux/ Unix and Windows Operator System maintenance * Configuration and management of routers,… more
- Crystal Group (Hiawatha, IA)
- …Job Summary: Crystal Group is seeking an experienced and motivated System Administrator to ensure the stability, integrity, and efficient operation of our critical ... This involves proactive system and network health monitoring, implementing robust security , performing maintenance, managing user access and network resources, and… more
- NextEra Energy (Miami, FL)
- ** Senior IT Systems Administrator ** **Date:** Jun 17, 2025 **Location(s):** Miami, FL, US, 33134Hialeah, FL, US, 33014Palm Beach Gardens, FL, US, 33410 ... to junior members of the team as required. **Technical Proficiency:** . Linux/ Unix Administration . Expertise in Unix /Linux operating systems, particularly IBM… more
- SAP (Herndon, VA)
- …and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI ... this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/Systems Administrator candidate will be responsible for leading… more