Systems Administrator, Lead (Linux/Windows)
$150k - $175kAmerican Systems
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA.This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier III support for systems that cannot fail.Role includes a $5,000 sign-on bonus in addition to a generous compensation package!ResponsibilitiesAs a Lead Systems Administrator, you will:Support on-premises Linux (60%) and Windows (40%) infrastructure and applications.Support on-premises vSphere infrastructure across multiple datacenters.Provide Tier III support for production and development environments, managing ticket submission and tracking.Monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput.Review and optimize system performance to ensure peak efficiency and reliability for mission-critical applicationsAnalyze system resource usage and apply corrective actions when necessaryReview system and application logs, ensuring completion of scheduled tasks and backupsCreate and manage user accounts, groups, and permissions; maintain local repositories in a Linux-based environmentSupport on-prem and remote Linux-based Oracle database appliancesDevelop and maintain administrative bash scripts for system maintenance and automationProficient in DNS administrationDocument and implement system administration solutions to meet business requirements#hotjobsQualificationsActive TOP SECRET clearance with SCI eligibility required; Program Access Request (PAR) submission required after hireBachelor’s degree in a STEM discipline (or additional years of relevant experience considered in lieu of degree)8-10 years of IT Systems Administration that includes 3-5 years of Linux administration DoD 8140 IAT Level II cert (e.g., Security+ CE or equivalent)Experience designing and maintaining secure, scalable cloud/on-prem platforms (IL5–IL6+)Knowledge of STIGs, RMF, and DoD cybersecurity standardsKnowledge of containerization (Docker/Podman), Ansible for automation, and OpenLDAPExperience with virtualization (VMware) Strong CLI and Bash scripting experienceNOTE: U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearanceAMS1Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $150,000.00/Yr. - USD $175,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.EEO StatementEEO Race/Sex/Disability Status/Veteran StatusJob SummaryCategory: IT / Cyber Security / Network SystemsPosition Type: Full-TimeRemote: NoClearance Required: Top Secret/SCI
$97k - $164.9k
...Position Overview The Systems Administrator Lead provides technical and leadership oversight for the administration of servers, operating systems... ...day‑to‑day systems administration activities across Windows, Linux, and virtualization platforms, ensuring high availability...WindowsLinuxPermanent employmentContract workWork experience placementWork at office- ...operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat Linux and Windows operating systems and is responsible for... ...Required: 10 years’ experience in Systems Administration for software development projects utilizing...WindowsLinux
$62k - $141k
IT Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking... ..., and optimizing applications - Experience with Linux or Windows operating systems - Experience with cloud providers such...WindowsLinuxFull timeContract workPart timeWork at officeLocal areaRemote work$78.6k - $160.2k
...change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This role requires an experienced technical leader who...WindowsLinuxFull timeLive inWork at officeLocal area$120k - $135k
Job DescriptionEverforth ECS is seeking a Senior Systems Administrator (Top Secret Cleared)to work in our Washington, DC office. Please... ...or enterprise IT operations experience.Experience with Windows Server, Linux, desktop support, patching, scripting, monitoring, and troubleshooting...WindowsLinuxContract workWork at office- ...Galapagos Federal Systems LLC is seeking a Systems Administrator to perform enterprise system administration, operations, and maintenance across DoD... ...will have TS/SCI clearance, 5+ years of DoD/IC experience, and strong Windows and UNIX/Linux expertise. #J-18808-Ljbffr...WindowsLinux
- ...A leading consulting firm in Washington, D.C., is seeking an experienced Systems Administrator to ensure the stability and security of federal IT operations. The ideal candidate will have strong expertise in Windows and Linux systems, cloud fundamentals, and the ability...WindowsLinux
- ...for maintaining compliance, securing operating systems, and executing patch management across Windows and Linux environments. This is a hands-on technical position... ...using PowerShell, Perl, VBScript, or similar administrative languages.Collaborate with customers and...WindowsLinuxFull time
- ...the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining... ...security hardening, automation, and operational support of both Windows and Linux environments.The selected candidate will support the...WindowsLinuxFull timeContract work
- ...data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Systems Administrator to be part of our Security team and based... ...critical virtual infrastructure, physical and Windows/Linux environments. The ideal candidate has a...WindowsLinuxFull timeWork at officeImmediate start
- ...and supporting Microsoft-based systems, both virtual and physical Bachelor... ...Strong Skills/Knowledge: Windows Server 2003, 2008, 2008 R2, 2012, 2012 R2 administration Hands-on experience managing Windows... ...Additional Information Linux administration with Ubuntu server...WindowsLinux
$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and... ...infrastructure; managing Windows Server 2019 and 2022 environments... ...performance; administering Linux Server environments,... ...our customers.What you’ll do:Lead or assist in the design, implementation...WindowsLinuxFull timeLocal area$20k
...of enabling human life on Mars.SR. IT SYSTEMS ADMINISTRATOR (TOP SECRET CLEARANCE)SpaceX is looking... ...experience and capability with networking and Linux technologies. This employee will be a... ...systems administration.Experience with Windows servers in physical and virtualized...WindowsLinuxPermanent employmentTemporary workFlexible hoursWeekend work$140k - $150k
...is seeking an Incident Response Lead to work in our Washington, DC... ...scanners, malware analyzers, IDS/IPS systems, and EDR toolsProficiency working across Windows, Linux, and macOS operating systems... ...including networking, systems administration, and technology support...WindowsLinuxWork at officeRemote work- ...Overview The System Administrator provides mid-level technical support for the USCO eCO System and... ...CDRL reporting tasks within the shift window, supports configuration and change management... ...with Microsoft Windows and UNIX/Linux server administration Familiarity with...WindowsLinuxContract workShift workNight shiftWeekend workAfternoon shift
- ...Junior Systems Administrator / Tier 2 Support Technician Job Summary The Junior Systems Administrator... ...system administration for enterprise Windows and Red Hat environments in regulated,... .../11 Active Directory, Azure AD Red Hat Linux administration SCCM, Intune, PXE Imaging...WindowsLinuxSecond job
- ...technical Security Tools Team Lead to join our dynamic team in... ...a team of security tool administrators responsible for the management... ...and response solutions, DLP systems, web proxies, and intrusion... ...operating systems administration (Windows and Linux) and scripting/automation (e...WindowsLinuxWork experience placementWork at office2 days per week
- ...Summary Senior Systems Administrator Arlington, VA Are you ready to enhance your skills and build your... ...through Intelligence. Responsibilities Lead the administration, maintenance, and optimization of enterprise Windows and Linux server environments. Perform advanced system...WindowsLinux
- ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible... ...administration or IT operations Strong experience with Windows and/or Linux server environments Experience with Active Directory,...WindowsLinux
- ...Overview The System Administrator will be responsible for the installation, configuration, maintenance, and management of the Secure Internet... ...technologies (e.g., VMware, Hyper‑V). Familiarity with Linux and Windows operating systems. Experience with backup and disaster...WindowsLinuxWork at office
- ...Senior Systems Administrator – Arlington, VA Are you ready to enhance your skills and build your career... ...through Intelligence. Responsibilities Lead the administration, maintenance, and optimization of enterprise Windows and Linux server environments. Perform advanced system...WindowsLinux
- ...Systems Administrator (Tier 2 Support – ServiceNow) Washington, DC Are you ready to enhance your... ...environment. Strong understanding of Windows/Linux operating systems and troubleshooting... ...maintain a culture where we excel and lead healthy, happy lives. Corporate citizenship...WindowsLinux
- ...Overview SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer... ...technical forums and working groups Lead cloud migration initiatives and... ...Technical Skills Proficiency in Linux/Unix and Windows server administration in cloud environments...WindowsLinuxContract work
- ...POLY REQUIRED*** Our client has an immediate need for a System Administrator with a focus on Linux experience in the McLean, VA area. The on‑site system... ...), and shall have a demonstrated knowledge of current Windows operating systems and a strong working knowledge of...WindowsLinuxLocal areaImmediate startRemote work
- ...Systems Administrator Location: Arlington, VA Chenega Military, Intelligence & Operations Support (... ...solving. Install, configure, and manage Windows Server operating systems, adhering to organizational... .... Experience with Windows and Linux operating systems. DOD IAT Level II...WindowsLinux
- ...Summary/Objective The system administrator provides support to critical systems to ensure computer systems are stable and available when... ..., and monitoring. Essential Functions Experience with Windows and Linux environments. Demonstrated on the job experience with software...WindowsLinuxFull timeFor contractorsFor subcontractorWork at officeLocal areaMonday to Friday
- ...A growing security software company is seeking a System Administrator to lead endpoint and SaaS platform support and management across... ...and brings strong experience across macOS, Windows 11, Windows Server, Linux, iOS, and Android environments. Responsibilities Provision...WindowsLinuxWork at office3 days per week
- ...You You are a Senior‑Level Systems Administrator with experience designing, implementing... ...Directory, Azure/Entra ID, Windows Server, virtualization,... .... You are comfortable leading infrastructure modernization... ...maintain, and secure Windows and Linux Server environments across...WindowsLinux
$120k - $135k
...Job Description Everforth ECS is seeking a cleared Senior Systems Administrator (Top Secret Cleared) for our Washington, DC office. The... ...or enterprise IT operations experience. Experience with Windows Server, Linux, desktop support, patching, scripting, monitoring, and...WindowsLinuxWork at officeLocal area$112k - $179k
...Systems Administrator Job Locations: US-VA-Herndon | US-DC-Washington | US-MD... ...customers, contractor Project Lead, Information Systems... ...Oracle database environments on Windows and CentOS servers. Create or... ...2016 or higher and Red Hat Linux 8 or higher operating systems...WindowsLinuxContract workFor contractorsShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator, Lead (Linux/Windows). Be the first to apply!
- system admin Arlington, VA
- application system administrator Arlington, VA
- computer systems administrator Arlington, VA
- microsoft systems administrator Arlington, VA
- remote systems administrator Arlington, VA
- systems administrator Arlington, VA
- server administrator Arlington, VA
- enterprise administrator Arlington, VA
- IT infrastructure administrator Arlington, VA
- IT administrator Arlington, VA

