Systems Administrator, Lead (Linux/Windows)
$150k - $175kAmerican Systems
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contracting company, isseeking 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 ofLinuxadministrationDoD 8140 IAT Level II cert (e.g., Security+ CEor equivalent)Experience designing and maintaining secure, scalable cloud/on-prem platforms (IL5–IL6+)Knowledge of STIGs, RMF, and DoW 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 American Systems
- ...server, storage, network, and mobile systems connected to local and wide area networks... ..., and other local-area system administration functions. Support the implementation... ...customers. Configure and administer UNIX, Linux, Windows, Wintel, VxWorks, and VMware...WindowsLinuxFor subcontractorLocal area
- ...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
$110k - $140k
...110,000 - 140,000We are seeking a skilled and dependable Systems Administrator to join our team at the mid to senior level. This role carries... ...responsibility for managing and maintaining enterprise Windows and Linux server infrastructure, endpoint management systems, and...WindowsLinux- ...minimum of 12 years of experience leading and managing system and server administration services. Must have experience... ...operating systems. Must have extensive Windows administration experience with... ...supporting Microsoft, Unix, Linux, and Solaris operating systems. Must...WindowsLinux
- DescriptionSr. Systems Administrator - Secret Xcelerate Solutions is seeking a Systems Administrator... ...as Code (IaC) mindsetPerform Linux and Windows builds, installs, configuration, administration... ...experienceHands On experience leading teams of people Experience with CI/CD...WindowsLinuxRemote work
- ...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
$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$99k - $206k
...Cloud Systems AdministratorNightwing provides technically advanced full-spectrum... ...infrastructure when it matters most.Cloud Systems Administrators will manage day-to-day operations,... ..., preferably AWSStrong knowledge of Linux/Unix and Windows server administrationExperience with...WindowsLinuxContract workLocal area- ...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
- IT Systems AdministratorAs an IT Systems Administrator, you will be responsible for the administration, configuration and support of our systems, networks... ...up and configuring new instances of Linux and Windows servers. We are primarily a Linux shop but use Windows...WindowsLinuxWork at office
- ...Job Description Job Description Job Summary The Systems Administrator is responsible for maintaining, securing, and optimizing enterprise... ...in classified environments. The role manages Windows and Linux servers, virtualization and cloud platforms, Active Directory...WindowsLinux
- Base One Technologies seeks an experienced Linux Systems Administrator to oversee RHEL environments across development, lab, and production systems... ...-scale configuration management and deployment across Windows, MacOS, and Linux/Unix environments to support TEN infrastructures...WindowsLinux
- ...program. The role focuses on coordinating investigations, analyzing events, and developing incident response playbooks across Windows and Linux environments. Ideal candidates have a strong IR life cycle background, ATT&CK framework understanding, and scripting skills...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
- ...professional licensure Job Summary The Senior Systems Administrator ensures the reliability, performance, and security of our Windows infrastructure—both on-premises and in Azure... ..., PRTG). Working knowledge of Windows/Linux server administration, virtualization, and...WindowsLinux
- Mid-Level Systems AdministratorInstall, configure, and maintain Linux and Windows servers, workstations, and related software.Troubleshoot and resolve hardware, software... ...field.3-5 years of experience in systems administration, with expertise in administering Linux and...WindowsLinux
$107.9k - $195.05k
...Leidos is seeking an Incident Response Lead to join our team on a highly visible cyber... ...through a shared DHS incident tracking system and other means of coordination and communication... ...Expertise in Operating Systems (Windows/Linux) operations and artifacts...WindowsLinux- ...an experienced Information System Security and Privacy Officer... ...Analysts, IT SMEs and System Administrators to conduct analysis, mitigation... ...procedures. The ISSPO will lead, and guide efforts... ...technical understanding of Windows and Linux platforms.Experience taking...WindowsLinuxWork at officeFlexible hours2 days per week
$80k - $98k
...Description Overview We are seeking a System Administrator to join our team. TekSynap is a... ...service expectations. Support Unix/Linux Server Support Services, including account... ...updates during scheduled patch windows. Maintain accurate ticket notes, status...WindowsLinuxFull timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift- Senior Systems AdministratorLocation - Arlington,... ...experienced Senior Systems Administrator to join our IT team.... ...critical systems, leading infrastructure... ...server infrastructure (Windows).Monitor system performance... ...Network+, Security+, Linux+Microsoft Certified: Azure...WindowsLinuxWork experience placement
$190k - $210k
Linux System EngineerSystems Administrator McLean, VA Salary Range: $190-210k Cornerstone Defense has an immediate need for a Linux System Engineer supporting a program comprised of linux (80%), windows (20%), virtualization, storage, network, HW, and data center engineers...WindowsLinuxWork experience placementImmediate start- ...Guidehouse is seeking a senior Windows Server and Cloud Systems Engineer to own production operations in a... ...government cloud environment. You will lead incident response, patching,... ...cloud architectures across Windows and Linux, implement IaC with Terraform and Ansible...WindowsLinux
$77.6k - $176k
DevOps Engineer and System Administrator, SeniorThe Opportunity:Are you looking for an opportunity to leverage your DevOps and system... ...production web applications4+ years of experience with Windows Server, Linux, Domain Controllers, SQL Server, and IIS4+ years of experience...WindowsLinuxFull timeContract workPart timeWork at officeLocal areaRemote work- ...AdministrationPerform general server and cluster administration tasks; monitoring and optimizing system performance and reliability, operational workflow... ...queue with a DevOps support team that administers Linux and Windows environments for AI software development. Fast...WindowsLinuxLocal area
- ...WORK, MUST WORK ON SITE High-Level Description: The Systems Administrator supports the server compute environment, ensuring high availability... ...in enterprise server administration. · Proficiency in Windows Server, Linux systems, and virtualization technologies. · Strong...WindowsLinuxFull timeRemote work
- System Administrator JuniorThe System Administrator Junior supports the daily administration, maintenance, security, and availability of... ...security baselines and hardening standards across Windows and Linux systems.Key ResponsibilitiesAdminister user accounts, group...WindowsLinuxContract workWork at office
$145k - $160k
...immediate openiing for a highly skilled Senior Cloud Systems Administrator to support the Enterprise Sourcing, Medical and... ...professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices...WindowsLinuxContract workTemporary workImmediate startWorldwide3 days per week$105k - $125k
Classified Systems AdministratorArlington, VASTR is hiring a Systems Administrator with an Top Secret/SCI with polygraph clearance. Help power the infrastructure... ..., deploying, and maintaining Linux (Red Hat, Ubuntu) and Windows operating systems in traditional and virtualized...WindowsLinuxLocal areaRemote workNight shift- Systems AdministratorWashington D.C., District of Columbia, United States OperationsCompany... ...experience.Role OverviewThe Systems Administrator is responsible for the administration,... ..., configure, and maintain Linux and Windows servers and operating systems.Set up and...WindowsLinuxLocal areaRemote work
- System AdministratorRevolutional delivers advanced technology solutions and mission... ...exciting full time opportunity for a System Administrator to join our growing team! System... ...Preferred QualificationsStrong knowledge of Windows and/or Linux operating systems.Experience with...WindowsLinuxFull timeWork at officeFlexible hoursDay shiftAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator, Lead (Linux/Windows). Be the first to apply!
- IT administrator Arlington, VA
- application system administrator Arlington, VA
- microsoft systems administrator Arlington, VA
- IT infrastructure administrator Arlington, VA
- enterprise administrator Arlington, VA
- server administrator Arlington, VA
- systems administrator Arlington, VA
- system admin Arlington, VA
- computer systems administrator Arlington, VA
- linux Arlington, VA




