160 systems administrator jobs found

Description SAIC is seeking a highly motivated and skilled Systems Administrator - HCI (Hyper-Converged Infrastructure) to join our MAJESTIC Joint Program Office (JPO) Team to support the operational management, maintenance, and optimization of mission-critical IT systems in an enterprise environment. This role focuses on administration and troubleshooting of hyper-converged infrastructure (HCI) systems, particularly Nutanix , as well as Windows Server and Red Hat Enterprise Linux (RHEL) environments. As a key member of the team, you will ensure the performance, scalability, and reliability of HCI systems while collaborating with cross-functional teams to support seamless operations. The ideal candidate has a robust understanding of virtualized environments, HCI technologies, and enterprise infrastructure. All work for this position must be conducted on-site in Springfield, VA. Key Responsibilities: Administer, configure, and maintain...

Description SAIC is seeking a systems administrator to support the Space Systems Command on a program that directly assists the US Space Force. The ideal candidate will have experience providing design, implementation, maintenance, and troubleshooting functions for physical and virtual information systems and web-based applications. The selected candidate will interface with Active Duty, US Government, and contractor personnel to provide top-notch support with a focus on system/network security in support of national security; provide break/fix and design supporting Information Technology in a fast paced, high-energy environment; provide root cause analysis and be comfortable recommending permanent configuration changes when necessary. Support will encompass a range of capabilities from server and workstation configuration and support, LAN setup and maintenance. This position is based at Kirtland Air Force Base in Albuquerque, New Mexico. Primary duties and responsibilities...

Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented level 3 Systems Admin. Engineer with a Secret clearance and Sec+ (8570 cert) to work from our Boulder, CO location . Join a team where your network expertise will...

Description SAIC is seeking a System Administrator to support the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate, Quick Reaction Capability (QRC) Branch. This position is on-site in Aberdeen, MD. JOB DUTIES: Support major intelligence systems as well as several minor projects. Provide direct support to system integration activities at APG as well as providing remote support to fielded equipment. Perform specific software integration tasks and input to planning, schedule, design, and reporting monthly on smaller programs. Perform infrastructure support on three separate enclaves at various classification levels, which consist of resources to virtualize project baselines, tools to automate software builds and configurations, and the interfaces from which they manage all the projects. Qualifications REQUIRED EXPERIENCE AND CLEARANCE : Bachelor's degree and five (5) years' experience....

Description: What We’re Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Cyber | Lockheed Martin Who we are: Our team is solving the tough challenges and pushing the boundaries of technology to help our customer achieve its mission. #RMSC6ISR Why Join Us: Your Health, Your Wealth, Your Life...

Description JOB DESCRIPTION : SAIC is looking for a System Administrator to join the Fleet Support Team in support of the Comprehensive Automated Maintenance Environment - Optimized (CAMEO) Software for the V-22 Community across the Air Force, Navy, and Marine Corps out of Miramar, California. The System Administrator will be expected to gain a working knowledge of the CAMEO suite and associated processes to provide troubleshooting assistance, develop documentation, and assist in various upgrades to the software and new implementations, to include our WiFi initiative. Experience operating within a military aviation maintenance environment and having procedural knowledge is valued. The candidate is expected to possess strong customer service and communication skills, and the ability to grow with ever changing Fleet needs in support of the maintenance and future sustainment of CAMEO. JOB DUTIES : Act as a liaison with CAMEO support groups (i.e. NAVAIR, Bell, Boeing,...

Basic Qualifications Master's degree, plus 3 years of relevant experience. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 5 years of relevant experience.   CLEARANCE REQUIREMENTS: Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required . Responsibilities for this Position J oin the dynamic SPRINT Next Team as a Linux Systems Administrator specializing in Red Hat and PitBull technologies with an emphasis on web servers, databases, and cloud-based infrastructure knowledge. What You'll Experience Hands-on...

Description: You will be the Physical Security Emerging Technology Lead for the Missiles and Fire Control (MFC) Security team. Our team is responsible for managing core security platforms, ensuring compliance, and driving physical security strategy across the business area. What You Will Be Doing Lockheed Martin MFC Physical Security Emerging Technology Lead is the subject matter expert and chief systems administrator for the business’s core security platforms—access control, video management, and intrusion detection, among many others. You will ensure that enterprise security standards are consistently applied and effectively integrated across every MFC site. You will also oversee high visibility corporate-wide projects to introduce large scale emerging technology and systems, consolidate and streamline current operations, and keep pace with the business’ multi-billion dollar investment in facilities master planning. Success will look like ensuring MFC Security operations...

Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the USSF Space Fence System radar. This includes tasks such as: • Hardening operating systems, applications, and network devices • Conducting vulnerability scans • Continuous monitoring of the security posture of the system • Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing • Implementing security updates and patches • Applying configuration changes to ESS, ACAS, and SolarWinds security tools • Providing support to maintain the Certification and Accreditation...

Description SAIC is seeking a System Administrator to be responsible for the installation, configuration, maintenance, and security of Windows-based workstations and services at the Army Research Laboratory in Adelphi, MD . Work is performed on site. You will be a part of a diverse team supporting a globally distributed information systems, responsible for the analysis, administration, voice, video, and data communications networks. Join our dynamic team at a top-tier organization, where work-life balance and employee well-being take center stage. This exciting opportunity lets you contribute to cutting-edge projects while safeguarding our national security. Job Responsibilities: Manage Windows Server environments and support Active Directory, Group Policy, and MECM operations Install and configure operating systems and software updates following Security Technical Implementation Guides (STIGs) Perform system patching, PowerShell scripting, and release management...

Description SAIC is seeking a Windows System Administrator to be responsible for the installation, configuration, maintenance, and security of Windows-based workstations and services at the Army Research Laboratory in Adelphi, MD . Work is performed on site. You will be a part of a diverse team supporting a globally distributed information systems, responsible for the analysis, administration, voice, video, and data communications networks. Join our dynamic team at a top-tier organization, where work-life balance and employee well-being take center stage. This exciting opportunity lets you contribute to cutting-edge projects while safeguarding our national security. Job Responsibilities: Manage Windows Server environments and support Active Directory, Group Policy, and MECM operations. Install and configure operating systems and software updates following Security Technical Implementation Guides (STIGs). Perform system patching, PowerShell scripting, and release...

About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview   DCGS-MC, in compliance with the DCGS Family of Systems (FoS) concept, is a service-level effort to migrate select United States Marine Corps (USMC) Intelligence, Surveillance, and...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.   CLEARANCE REQUIREMENTS: Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   We are seeking a highly skilled and experienced Cyber Security Analyst / SIEM Engineer to join our SPRINT Next program team in San Antonio, Texas . In this position, you will serve as a security engineer responsible for administering and...

Overview LMI is seeking a Subcontracts Administrator / Purchasing Specialist to support a United States Special Operations Command (USSOCOM) mission partner.   Core Competencies:   Regulatory Compliance & Risk Management   Strategic Sourcing & Supplier Negotiation   Manufacturing & Supply Chain Integration   Cross-Functional , S olutions-driven  Collaboration   Business Acumen & Decision-Making   Execution-focused and detail-oriented   Risk-aware decision making   Customer-focused mindset with a sense of urgency   Work Environment:   Fast-paced, deadline-driven environment supporting government and commercial programs.   High level of collaboration across functional teams with a strong emphasis on accuracy, compliance, and responsiveness.   May require handling sensitive or proprietary information...

Basic Qualifications Requires a Bachelor’s or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience). Requires an additional 2+ years of job-related experience, or a Master's degree. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on...

Description SAIC is seeking qualified applicants to supportacutting-edgedata, analytics, and AI platform. The Continuous Monitoring Team Lead (Splunk) is a critical SME role working across Splunk, ServiceNow, and supporting security platform technologies to build analytic maturity and integrations with SOAR, UEBA, and Zero Trust Architecture. Mature analytics and normalized data will support 10+ cyber teams who are also working with other task areas that handle customer relationships, service portfolio and catalog management, software engineering & development, data/AI engineering, IT systems operations, and use case intake and analytics forDoWenterprise-scale missionobjectives expected in Spring/Summer 2026. Positions are contingent pending contract award. The work will be performed in the Alexandria, Virginia. Some work may be performed remotely, subject to Government approval. Job Responsibilities: Lead the Continuous Monitoring Team in designing, building,...

Description SAIC is seeking a Network Administrator with an understanding of enterprise network architecture, Layer 2/3 switching, routing protocols, and network security standards. You will be responsible for the installation, configuration, maintenance, performance, and security of the network infrastructure in accordance with DoD and ARL IT policies at the Army Research Laboratory in Adelphi, MD. Work is performed on site. Job Responsibilities: Monitor and manage network performance, availability, and security. Implement and enforce network security procedures and best practices to comply with DoD regulations. Install, maintain, and troubleshoot network-related software and hardware systems, including Layer 2/3 switches, routers, firewalls, wireless access points, and encryption devices. Configure and troubleshoot routing protocols such as OSPF and BGP. Work with IP-based networking environments, including IPv4/IPv6 and IPSec VPNs. Maintain knowledge of and...

Description SAIC is seeking a Journeyman Tier Two Technical Support Analyst with Information Technology (IT) and communication systems experience in support of the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate, Quick Reaction Capability (QRC) Branch (C5ISR-QRC). The goal of the C5ISR-QRC is to research and develop technologies that enable systematic processes for discovering, selecting, organizing, distilling, sharing, developing and using information to better understand the enemy and the enemy's environment during full-spectrum operations and provides advanced collection capabilities with the flexibility to address changes in the operational environment and signatures of interest to develop situational awareness by acquiring precise and timely information. This is a full-time, on-site position on Aberdeen Proving Ground (APG), MD. The position is five days a week (Monday - Friday) but may require shift...

Description SAIC is seeking a Senior (Tier 3) Technical Support Analyst , with in-depth Information Technology (IT) and communication systems experience in support of the U.S. Army Cobmat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate, Quick Reaction Capability (QRC) Branch (C5ISR-QRC). The goal of the C5ISR-QRC is to research and develop technologies that enable systematic processes for discovering, selecting, organizing, distilling, sharing, developing and using information to better understand the enemy and the enemy's environment during full-spectrum operations and provides advanced collection capabilities with the flexibility to address changes in the operational environment and signatures of interest to develop situational awareness by acquiring precise and timely information. This is a full-time, on-site position on Aberdeen Proving Ground (APG), MD . The position is five days a week (Monday - Friday) but may...

Description SAIC is seeking a Sr. Apple Platform Engineer to support our DCSA/OneIT program out of Quantico, VA. Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA). The Air Force Space and Intel Business Group of SAIC is seeking a Senior Apple Platform Engineer to support a transformational infrastructure program for DCSA. SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies. Specifically, on the DCSA One IT program, SAIC will provide an enterprise...