Windows Systems Administrator / Active Secret
$112k - $179kPeraton Corporation
ResponsibilitiesPeraton is seeking an experienced Windows Systems Administrator to support our Federal Strategic Cyber Mission program.Location: Beltsville, MDAbility to support core business hours (0800–1700 / 8:00 AM - 5:00 PM).As a Windows Systems Administrator, you will provide enterprise-level support for Windows Server environments across OpenNet, ClassNet, and multiple secured enclaves. In this role, you’ll ensure reliable, compliant, and secure operations through proactive maintenance, effective troubleshooting, and continuous systems improvement.You’ll manage routine updates, patching cycles, and configuration changes while maintaining system availability and performance. Your expertise in Active Directory will be central—supporting authentication services, resolving account and directory issues, and ensuring proper configuration of critical AD attributes used for integrations with platforms such as Okta and iPost.You will play a key role in vulnerability remediation by applying STIG-compliant configurations, monitoring iPost scoring, and collaborating with Cybersecurity, Scanning, and Systems Administration teams to address findings. Using tools like SolarWinds and Splunk, you’ll analyze system performance and logs to identify and resolve issues quickly and effectively.Automation and optimization are essential in this position. You’ll develop and maintain PowerShell scripts to reduce manual work, support backup validation and recovery efforts aligned with COOP requirements, and assist in maintaining virtualized environments such as Nutanix.This role requires strong collaboration with cross-functional teams to troubleshoot system dependencies, resolve connectivity issues, and maintain clear documentation for configurations and procedures. You’ll also continue to build your technical expertise in Windows systems, Active Directory, and enterprise management tools to support ongoing mission needs.QualificationsMinimum requirements: Bachelor’s degree and a minimum of 9 years of relevant experience; a Master’s degree with 7 years of experience; or a PhD with 4 years. An additional 4 additional years of relevant experience may be substituted in lieu of a bachelor's degree.Must hold (or obtain prior to start) at least one approved certification, maintained as a condition of employment: CASP+ CE, CCNA Cyber Ops, CCNA‑Security, CCNP Security, CEH, CFR, CISA, CISSP (or Associate), Cloud+, CySA+, GCED, GCIA, GCIH, GICSP, SCYBER, VCA‑DCV, PPDA, Agile IC, or SNOW App Dev.Hands‑on experience with enterprise Windows Server environments, Active Directory administration, virtualization platforms such as Nutanix, and monitoring tools including Splunk and SolarWinds.U.S. Citizenship required.Active Secret clearance with the ability to obtain a final Top Secret security clearance.Ability to support core business hours (0800–1700).Peraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.Target Salary Range$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-171115Position Category: Cyber SecurityClearance: Top Secret
$112k - $179k
ResponsibilitiesPeraton is seeking a Windows Systems Administrator (Journeyman) to support the Department... ...availability and performance.Support Active Directory operations, including... ....U.S. Citizenship required.An Active Secret security clearance with eligibility to...SuggestedContract workShift work- ...Description Senior PostgreSQL Database Administrator We are seeking an experienced... ...performing team supporting mission-critical systems. The Senior PostgreSQL DBA will be... .... WHAT YOU’LL NEED TO SUCCEED Active Top Secret security clearance with SCI eligibility...Suggested
- ...Description Job Description The Secret Server Administrator will perform a variety of... ...day-to-day operations; system health and status checks,... ...] ~ Must possess an Active TS/SCI Clearance; willingness... ...complexity is required. ~ Windows Server Administration and experience...SuggestedTemporary workRelocation package
$77.6k - $176k
...Windows Systems Administrator The Opportunity: Your combination of people skills and te chn ical... ...Windows Server 2022/2026, Windows 11, Active Directory, and VMWare ESXi ~2+... ...experience with Microsoft Exchange Server ~ Secret clearance ~ HS diploma or GED ~...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$100k - $245k
...Windows Systems AdministratorAre you a Windows Systems Administrator who wants to join a collaborative team providing world-class... ...protect the nation. You will actively assist with our IT support efforts... ...resources.Have an active Secret security clearance with the ability...SuggestedFull timeWork at office$120k - $140k
...and Development. Job Description Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. Must be a U.S. Citizen Active Top Secret Clearance required IAT Level II Certification equivalent or higher...Full timeTemporary workWork at officeRemote workRelocation packageMonday to Friday- ...We are seeking a mid-level Windows Systems Administrator with 5–10 years of experience supporting Department... ...11 Enterprise endpoints • Manage Active Directory, Group Policy, DNS, DHCP,... ...preferred Security Clearance • Active Secret clearance required • Top Secret...Full time
$90.3k - $189.6k
Job Title: Windows System AdministratorJob Category: Information TechnologyTime... ...for a Windows System Administrator to support the FEMA Office... ...vulnerability remediation activities for Windows-based systems,... ...or Zscaler.Desired:-Active Secret security clearance-...Contract workWork experience placementWork at officeFlexible hours- ...your career. Join GDIT as an Applications Delivery Network Systems Administrator and build an impactful career in enterprise IT, collaborating... ...REQUIRED · Clearance Level Must Currently Possess: Top Secret and SCI eligible · Location: Onsite · Required: DoD 8140...Flexible hours
- ...threats. Job Description Linux Administrator Advance how our customers operate while... ...environments. ~ Proactively monitor system performance and availability, diagnose... ...Clearance Level Must Currently Possess: Top Secret and SCI eligible Location: Onsite...Flexible hours
- ...Description Directory Services System Administrator Advance how our customers... ..., and updating Active Directory services and hybrid... ...Admin, Azure/AWS Security, Windows Server Hybrid Administrator,... ...Must Currently Possess: Top Secret and SCI eligible Location...Flexible hours
- ...Windows Server Systems Administrator – Systems Administrator IV TSR #: SAIJP00038792 Positions: 1 Work Arrangement: Remote – 100% Remote;... ...environment. The role focuses on Windows enterprise management, Active Directory, DNS, certificate administration,...Full timeRemote workFlexible hours
$116.35k - $210.33k
Senior Windows System Administrator; requires TS/SCI Polygraph up front.Leidos has a new and exciting opportunity for a Senior Windows System Administrator... ...management and application performance optimization activities in an environment made up of VMware server hosts, Windows...Full timeImmediate startFlexible hours- ...Windows Systems AdministratorColumbia, MDTS/SCI with Full Scope Poly Required200K- 215KRequired... ...and 15 years' experience as a System Administrator, OR High school diploma and 20 years'... ...with Windows Server Administration, Active Directory, and Group PolicyFamiliarity...
- ...Required Skills & Experience: ~ Active Secret clearance. ~7+ years of experience in a Network Administrator role or in a related field. ~5+ years of experience in Network configuration and monitoring. ~5+ years of experience in Firewall configuration (Palo Alto...Full timeWork at office
- ...clearly documenting all shift activities, incidents, and operational... ...tools to maintain system functionality and data integrity... ...appropriate teams (e.g., System Administration, NSS, or external vendors)... ...ability to obtain an interim Secret security clearance before start...Full timeInterim roleAll shiftsShift workAfternoon shift
$164k - $200k
...Work 2026! Belay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the... ...management and application performance optimization activities in an environment made up of VMware server hosts, Windows...Full timeContract workWork experience placementFlexible hours- ...Opportunity for advancement Training & development Role: Windows System Administrator Location: Brevard County, FL 32925 Let’s Create Our... ...system administration, patch management, troubleshooting, Active Directory administration, virtualization support, and...
$150k - $175k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience to support a Special... ...TOP SECRET clearance with SCI eligibility...Local areaRemote workRelocation package- ...Senior Discovery Database Administrator (DBA) Employment Type: Full-Time, Executive-Level... ...include, but not limited to the following activities: Contractor shall assist in managing... ...shall facilitate the migration of system into cloud infrastructure Contractor...Full timeFor contractorsFlexible hours
- ...DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] -... ...our work, the individuals who will be actively completing work on this contract or... ...our operations must either be cleared (Secret Fcl / Top Secret Fcl) or be able to obtain...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
$80k - $128k
...management, operational, logistical, and administrative support to aid and advise DoS Cyber &... ...infrastructure comprising networks, systems, information, and mobile devices all while... ...proceduresU.S. citizenship and an active Secret security clearance to start.Desired QualificationsBasic...Contract workWork experience placementShift work- ...clearly documenting all shift activities, incidents, and operational... ...tools to maintain system functionality and data integrity... ...appropriate teams (e.g., System Administration, NSS, or external vendors)\n... ...ability to obtain an interim Secret security clearance before start...Interim roleAll shiftsShift workAfternoon shift
$82.97k - $110.63k
...connectivity, join us today. The Role The Senior Linux Systems Administrator will design, build, secure, operate, and maintain Linux-... ...Install, configure, maintain, and troubleshoot LDAP and Active Directory integrations, including LDAP, LDAPS, bind accounts...Full timeTemporary workRemote work$128k - $214.4k
...Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront... ..., career and customer-oriented Linux System Administrator to join our team in Laurel, MD.... ...Clearance Requirements: ~ Active TS/SCI with Polygraph Physical Requirements...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work$105k
...years running, and seek a Linux Systems Administrator with experience working in a... ..., adcli, sssd tying into Active Directory. Have... ...required. Have an active Top Secret SCI w/poly security clearance... ...Experience working with Windows Servers and Server functions...Temporary workWork experience placementRelocation packageFlexible hours$105k
...about shaping secure, IT systems in classified... ...seeking a Linux System Administrator to join the Weapons and... ...Integrate Linux systems with Windows platforms to support... ...following: Windows Active Directory, Linux Command... ...devices. Hold an Interim Secret level security...Temporary workWork experience placementInterim roleRemote workRelocation packageFlexible hours$87k - $130k
Systems Administrator OpportunityLooking to make a difference, to help keep... ...troubleshooting, and administration activities.Installation, training,... ...evaluations.Ensures Windows application hosts and SQL database... ...Active clearance required (Secret OR Top Secret)MinUSD $87,00...Contract workWork experience placementLocal areaShift workNight shift- ...DesktopUtilizes ServiceNow ticketing systemAbility to work well under pressure and to meet... ...include one or more of the following; Windows, Mac OS, and Microsoft Office suiteExperience... ...: Prefer minimum experience of 5 years with Microsoft Windows Desktop Administration....Work at officeRemote work
- ...Windows Systems AdministratorIn this Technical Support II function, an ideal candidate will have experience supporting a critical desktop... ...Knowledge and SkillsMust have working experience administrating Windows 10 desktops and laptops.Must have excellent customer...Work experience placementWeekend work
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