Systems Administrators
$90.3k - $189.6kCaci Inc
Job Title: Systems AdministratorsJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The OpportunityJoin a team supporting mission-critical enterprise IT systems and services. CACI is seeking Systems Administrators at the Journeyman, Senior, and Subject Matter Expert (SME) levels to provide systems administration, desktop support, infrastructure management, application support, network operations, and IT Service Management (ITSM) support across complex enterprise environments.In this role, you will help maintain the availability, reliability, and performance of systems and services supporting users across domestic and global operations. You will work alongside technical teams, Government stakeholders, and mission partners to troubleshoot complex issues, manage incidents and service requests, support infrastructure and applications, implement changes, and continuously improve the end-user experience.Candidates may be considered for multiple levels based on their years of experience, technical expertise, leadership capabilities, and ability to independently manage increasingly complex assignments.ResponsibilitiesSupport Total Ticket Ownership (TTO) throughout the incident and service request lifecycle, including ticket logging, triage, troubleshooting, resolution, escalation, documentation, and root cause analysis.Provide desktop and end-user systems support, troubleshooting hardware, software, operating system, connectivity, account, and peripheral issues within an enterprise environment.Manage and support Government-Furnished Equipment (GFE) and provide limited technical support for approved mobile devices.Perform systems and infrastructure administration supporting domestic and enterprise operations, including workstation, peripheral, card printer, consular office system, and web services infrastructure.Install, configure, deploy, maintain, and troubleshoot enterprise applications and services.Support collaboration platforms and other enterprise tools used across geographically dispersed environments.Perform network operations activities supporting reliable enterprise connectivity, availability, and performance.Monitor, troubleshoot, and resolve systems, infrastructure, application, and network-related incidents in coordination with appropriate technical teams.Collaborate with stakeholders to maintain and improve Ticket Management System configurations, workflows, classifications, and processes.Support and enhance self-service and self-help capabilities, including password resets, account provisioning, hardware and software requests, troubleshooting resources, and knowledge management content.Participate in Problem Management and root cause analysis, identifying recurring issues, documenting findings, tracking corrective actions, and recommending long-term solutions.Support Change Management activities by initiating, documenting, reviewing, tracking, and implementing approved changes to IT systems, services, applications, and infrastructure.Assist with impact analysis, risk assessment, implementation planning, validation, and post-implementation reviews for technical changes.Maintain accurate system, incident, problem, change, configuration, and operational documentation to support audit and compliance requirements.Identify opportunities to improve hardware, software, workflows, processes, procedures, automation, and overall service delivery.Collaborate with Government stakeholders, Product Teams, engineering teams, service desk personnel, network teams, and other technical organizations to resolve issues and support enterprise objectives.Develop and maintain technical documentation, knowledge articles, standard operating procedures, and troubleshooting guides.Apply ITSM principles and established policies, procedures, security requirements, and technical standards to day-to-day operations.Perform additional systems administration and enterprise IT support activities as required to meet mission and operational requirements.QualificationsRequired:Candidates will be considered at the appropriate level based on demonstrated experience and technical expertise.All levels require a Secret security clearanceJourneyman Systems Administrator3+ years of relevant experience in systems administration, enterprise IT support, desktop support, infrastructure operations, network operations, or a related technical discipline.Experience troubleshooting hardware, software, operating systems, applications, peripherals, user accounts, and connectivity issues.Experience working with an enterprise ticketing or IT Service Management platform.Experience supporting incident and service request management processes.Experience installing, configuring, deploying, maintaining, or troubleshooting enterprise applications and systems.Working knowledge of enterprise networking concepts and infrastructure.Ability to apply established technical concepts, processes, practices, and procedures to resolve technical assignments.Ability to escalate complex technical issues and collaborate effectively with senior administrators, engineers, and other technical teams.Strong documentation, communication, customer service, and problem-solving skills.Senior Systems AdministratorIn addition to the qualifications above:5-7 years of relevant experienceDemonstrated experience independently administering and troubleshooting complex enterprise IT environments.Advanced experience with systems administration, desktop support, infrastructure operations, application support, and/or network operations.Experience coordinating incident resolution and performing root cause analysis for complex or recurring technical issues.Experience supporting Tier II/Tier III technical issues and collaborating across multiple technical teams to drive incidents through resolution.Experience with Problem Management, Change Management, and other ITSM processes.Ability to analyze trends, identify systemic issues, and recommend technical or procedural improvements.Experience developing or maintaining technical workflows, knowledge management resources, system documentation, and standard operating procedures.Ability to independently manage multiple complex technical assignments with appreciable latitude in determining methodology and solutions.Ability to provide technical guidance and mentorship to less experienced team members.SME Systems AdministratorIn addition to the Journeyman and Senior qualifications:10 + years of relevant experienceExtensive experience administering and supporting large-scale, complex enterprise IT environments.Expert-level knowledge across multiple areas of systems administration, infrastructure operations, application support, network operations, and IT service management.Demonstrated ability to lead resolution of high-impact, high-priority, or technically complex incidents and problems.Experience leading root cause analysis, Problem Management, Change Management, and continuous service improvement efforts across multiple technical teams.Ability to evaluate proposed system and infrastructure changes, including technical impact, operational risk, dependencies, implementation requirements, and post-implementation results.Experience developing technical strategies, standards, workflows, processes, and recommendations that improve enterprise service delivery.Ability to serve as a technical authority and provide guidance to Government stakeholders, technical teams, and program leadership.Demonstrated experience planning and leading major technical assignments and coordinating activities across multiple projects, teams, or functional areas.Ability to mentor and provide technical direction to Systems Administrators and other technical personnel.Demonstrated ability to identify complex technical challenges, develop solutions with limited direction, and communicate recommendations effectively to both technical and non-technical stakeholders.This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.Since this position can be worked in more than one location, the range shown is the national average for the position.The proposed salary range for this position is: $90,300-$189,600CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Infrastructure/System Administration
$81.5k - $138.55k
Join ICF’s IT Modernization Team — Where Innovation Meets ImpactOur IT Modernization division is seeking a skilled GitHub System Administrator to support enterprise software delivery and DevOps transformation initiatives. In this role, you will administer, configure, and...SuggestedFull timeContract workWork experience placementWork at officeRemote 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- ...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- 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...SuggestedFull time
$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...Full timeWork experience placementImmediate start$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$165k - $179k
...Systems Administrator Location: Reston, Va Clearance- TS/SCI w/FSP Salary: $165k-179k/yr The above salary range represents the range expected for the position; however, final salary offers are based on a number of factors such as the position’s responsibilities...$85k - $130k
...ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Ensures the stable operation of DLA's computer software systems and network connections. This includes planning,...For contractorsLocal areaRemote work$104k - $166k
...Systems Administrator Job Locations US Requisition ID 2026-169758 Position Category Information Technology Clearance Public Trust Responsibilities Peraton is seeking a System Administrator. This position is...Contract workFor contractorsWork at officeRemote workShift workWeekend workAfternoon shift- ...Systems Administrator IIAmpcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented team.Location: Reston, VAJob Location: Assist in server operations,...
- ...Systems AdministratorUS Citizenship is required. An active TS/SCI is required. An adjudicated Full Scope Polygraph is required prior... ...VADPG Solutions is looking for a mid- to senior-level Systems Administrator to support a classified customer environment in Springfield, Virginia...
- ...Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Install, configure, and maintain... ...degree with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...
- ...Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown...Full timeFor contractorsWork at officeRemote workRelocationFlexible hoursShift work
- ...Job Title: Systems Administrator Location: Herndon, VA (Hybrid: 3 days/week onsite: Tuesday, Wednesday, Thursday) Type: 6+ months Contract Rate: $Open /hr. Job Description: The ideal candidate is a reliable, hands-on Microsoft 365 administrator with strong...Contract workWork at office3 days per week
- ...Sr Systems AdministratorReston, Virginia (On-site)Role OverviewWe are seeking a Senior Systems Administrator to support a long-term contract. The successful candidate will be responsible for planning, designing, and implementing infrastructure changes and system upgrades...Long term contract
- ...System AdministratorReston, VA, USA Full-time Clearance: Top Secret/SCIJob DescriptionAs a systems administrator on our program, you will:Provide resolve break fix tickets and ensure customers receive the highest level of customer support.Help customers overcome tough...Full time
- ...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. This is a DEVOPS focused position....Local area
$118.1k - $200.76k
...Systems AdministratorBAE Systems is a leading global defense, security, and aerospace company. We're seeking a highly skilled Systems Administrator to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly...Full timeLocal area$82.55k - $110.05k
...Systems AdministratorAmerican College of Radiology (ACR) is a progressive membership organization representing nearly 40,000 medical... ...our team!We are seeking a reliable and detail-oriented Systems Administrator to oversee, maintain, and secure our core IT infrastructure....Local areaFlexible hours- ...Sr Systems Administrator Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through...Temporary workImmediate start
- ...an Intelligence customer in Herndon, VA. We are looking for a Systems Engineer with a TS/SCI with a Full Scope poly required prior... ...infrastructure products and management solutions such as Windows Server administration, monitoring and configuration tools, VMWare, DevSecOps...
- ...System Administrator System Administrator Herndon, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized...Work experience placementShift workNight shift
$150k - $180k
...certifications in addition to other position specific requirements which may impact salary Position Overview The System Administrator manages and supports enterprise, regional, and local server environments hosting mission-critical applications and...Full timeLocal area- ...We 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 Information Advantage Office at the Applied Research Laboratory (ARL) at Penn State. You will maintain...Work at officeImmediate start
$104k - $166k
...learn how we're keeping people around the world safe and secure. About The Role We are seeking a highly skilled and innovative System Administrator to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities Manage Windows and Linux...Contract workTemporary workShift workNight shift- ...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
$70k - $100k
...RESPONSIBILITIES Manage the day-to-day operations by monitoring system performance, configuration, maintenance, and repair. Ensure... ...Seven years of overall professional experience in the systems administration field. Five years of overall experience in Microsoft...Full timeContract workTemporary workPart timeWork at officeLocal areaRemote workMonday to FridayWeekend workDay shiftAfternoon shift- ...Systems Administrator Job Locations US ID 2025-4271 Category Defense Type Full Time Overview Amyx is seeking to hire a Systems Administrator for our Defense Logistics Agency client, remotely. Responsibilities...Full timeTemporary workFor contractorsLocal areaRemote workFlexible hours
- ...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...Temporary workFor contractorsImmediate startFlexible hours
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