Systems Administrator
Altus Consulting Corp
Job Description
Job Description
We are seeking a skilled and detail-oriented Systems Administrator to support and maintain enterprise Windows and Linux server environments in a fast-paced, mission-focused organization. This role is responsible for building, configuring, securing, and monitoring systems across virtual and physical infrastructures, while ensuring compliance with security and accreditation requirements. The ideal candidate brings strong technical expertise, a proactive troubleshooting mindset, and the ability to clearly document and communicate system configurations and procedures for shared team success.Windows Server Administration:Server builds on virtual and physical hardwareActive Directory user account management, security groups, and Computer objectsDNS management, forward and reverse lookups, zonesGroup Policy Object creation, modification, assignment to objects in ADWSUS patch management to include approve/decline, group management, and database cleanupLinux Server Administration:Server builds on virtual and physical hardware, provisioning storage partitionsTroubleshooting Linux service problemsPatch management through yum, apt-get, and dnfSimple Linux networking and base services (ntp, DNS, selinux, firewalls)Third-party application installation and managementFamiliarity with network-based storage and long-term NAS appliancesUse of system monitoring and logging tools like Nagios and SplunkVulnerability management through systems like Nessus and Nexpose Rapid7Customer ATO and accreditation process including documentation and scanning requirementsBasic knowledge of AWS to include EC2 instances, volumes, snapshots, and security groupsStrong communication skills, fast-paced work environmentAbility to produce system documentation and SOPS for shared team knowledgeFamiliarity with JIRA ticketing system to track work projectVirtualization technology to include VMWare and ProxmoxActive TS/SCI with poly clearance is requiredDisclaimer:The information provided in this job description is accurate and truthful to the best of our knowledge. However, it is not intended to be a contract, and we reserve the right to modify the job description at any time. Altus Consulting is dedicated to diversity and inclusion, building a work environment where everyone feels respected and valued. We firmly believe in equal opportunity, guaranteeing fair and unbiased treatment for all individuals in all aspects of employment, regardless of race, color, religion, national origin, gender, sexual orientation, gender identity, pregnancy, childbirth or related medical conditions, age, protected veteran status, or disability status. We oppose discrimination in any form, and our commitment is evident in every interaction.
- ...effective installation and performance of advanced operating system hardware and software on servers. • Install new software releases... ...projects • Thorough knowledge of good server and system administration principles Additional InformationAll your information will be...SuggestedWork experience placement
$112k - $179k
ResponsibilitiesJob Summary:We are seeking a highly skilled and experienced System Administrator to join our team. This position will require the candidate to work closely with government customers, contractor Project Lead, Information Systems Security Officer (ISSO),...SuggestedContract workFor contractorsShift work$86.6k - $181.8k
Job Title: DevSecOps Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start... ...maintaining a critical DoD system? Join our team as a Systems Administrator! You will get to use your technical skills to implement and...SuggestedContract workWork experience placementFlexible hours- ...BRPosted: 2026-07-06Location: Herndon, VirginiaClearance: TS/SCI w/Poly SPCompany: Lockheed MartinDescription:• Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and...SuggestedFull timeFor contractorsWork at officeRemote workMonday to FridayFlexible hours
$146k - $194k
...technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns...SuggestedFull timeWork experience placementImmediate start- Company DescriptionArtech Information Systems is the #12 Largest IT Staffing Company in the U.S. and an employer of choice for over 7,000 consultants. We recruit world-class talent for IT, engineering, and other professional jobs at 70+ Fortune and Global 500 companies...Full time
$73.45k - $132.78k
Leidos has an opening for a Systems Administrator in Reston Virginia. Responsibilities include installation, configuration, administration, support and maintenance of systems, including associated hardware. Responsibilities may include management of systems infrastructures...Full timeWork experience placement$90.3k - $189.6k
Job Title: Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI... ...Local* * *The OpportunityCACI is seeking a Classified Systems Administrator to support and maintain mission-critical classified information...Contract workWork experience placementLocal areaFlexible hours$105.1k - $231.1k
Job Title: Infrastructure/Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to... ...Opportunity:Join our dynamic team as an Infrastructure/Systems Administrator and play a crucial role in maintaining and enhancing our IT...Contract workWork experience placementFlexible hours- ...insight and leadership to solve the nation's most critical national security challenges in the most demanding environments.This Systems Administrator position is located in Northern Virginia with flexible core hours.The Systems Administrator provides in-depth support and...Work at officeFlexible hours
$92k - $185k
...Description Job Description Security Clearance: Active TS/SCI with FS Polygraph required Position ~ Apogee's ideal Systems Administrator will be providing support for a comprehensive suite of applications. The necessary support & services include systems...Temporary workFlexible hoursShift work- ...country from threats. Job Description Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you....
- ...Systems Administrator ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION Maintains operation of multi-user computer systems, including coordination with network engineers. Duties may include setting up administrator and service accounts...
- ...established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to...Local areaImmediate start
$70k - $95k
...cost of IT ownership. We provide executive-level, white-glove support. Opening Solvere One is seeking highly qualified System Administrator candidates to provide support to clients. The duties of this role include ensuring clients meet Solvere One technical best...Full timeLocal area- ...and security. Make an impact by using your expertise to protect our country from threats. Job Description Senior Systems Administrator Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in enterprise IT means connecting...
- ...through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will:...Temporary workImmediate start
$77k - $163k
...provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet... ...commercial markets.We are seeking a highly skilled Systems Administrator to support mission-critical systems in a secure environment....Full time$112k - $179k
ResponsibilitiesCurrently seeking a Cyber Systems Administrator to support an Intel Community (IC) customer in the Herndon, Virginia area.The Systems Administrator provides mid-level operational support for enterprise information systems within classified environments....Contract workShift work$146k - $194k
...companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is... ....ABOUT THE JOB We're seeking a skilled Classified Systems Administrator with expertise in Linux and Microsoft environments to provide...Full timeWork experience placementImmediate start$135k - $216k
ResponsibilitiesWe are seeking a Senior Cloud Systems Administrator in Herndon, VA to support the SITE III DO contract within our National Programs Business Intelligence Systems & Applications Operating Unit. This role supports mission-critical applications and services...Full timeContract workFlexible hoursShift work$112k - $149k
...companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is... ....WHAT YOU'LL DO:The Anduril Intelligence Systems System Administrator ensures the smooth functioning of the core underpinnings of the...Full timeWork experience placementImmediate start$80.1k - $152k
...information on remote work at Penn State, see Notice to Out of State Applicants. POSITION SPECIFICSWe are searching for a Systems Administrator to join the Reston, VA location of the Digital Engineering Department in the Cyber, Modeling, and Simulation Division of the...Full timeFor contractorsWork experience placementWork at officeImmediate startRemote work- ...Senior Systems Administrator Securiport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger biometric recognition, immigration processing, and intelligent information reporting and management systems based on advanced...Contract workLocal areaMonday to Friday
$99k - $206k
...provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet... ...commercial markets.Job SummaryNightwing is seeking a Systems Administrator with a proven ability supporting Information Technology...Full time$99k - $206k
...provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet... ..., and commercial markets.Nightwing is expanding our System Administration team. We are seeking a highly skilled System Administrator/...Full timeWork experience placementRemote work$122k - $253k
Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability...Full timeContract work$112k - $179k
...and Virginia (DMV area)Clearance Required: TS/SCI with ability to pass a polygraphPosition OverviewPeraton is seeking a Linux Systems Administrator IV to join our team supporting a mission-critical Intelligence Community customer. In this role, you’ll be at the heart of...Contract workFor contractorsImmediate startShift work$150k - $180k
...to other position specific requirements which may impact salary Position Overview Amatriot is seeking an experienced Senior Systems Administrator to support the National Programs Intelligence Systems & Application Operating Unit. The SITE III ITS Task Order effort is...Full timeLocal areaWeekend work- System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security...Temporary workFor contractorsImmediate startFlexible hours
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