Systems Administrator
Leidos
Overview 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, implementing best practices to identify and recommend system functional specifications, configuration of physical and virtual systems, backup and recovery of IT infrastructure. Support duties may include updating and supporting systems by tuning performance, allocating storage space, implementing critical patches, reviewing systems performance logs to identify anomalies and troubleshoot issues. Candidate must also be able to develop solutions to complex technical issues and problems that impact multiple areas or disciplines and regularly employ ingenuity and creativity to develop new technical solutions and systems in order to achieve functional objectives. Basic Qualifications TS/SCI Clearance is required to be considered. Must be willing/able to obtain a TS/SCI w/polygraph Must be a US Citizen Ability to communicate with internal team members across multiple areas and client team members. Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. Typical Education & Experience: Typically requires BS and 4 – 8 years of prior relevant experience or Masters with 2 – 6 years of prior relevant experience. Relevant work experience will be considered in lieu of degree. Experience with DISA STIGs. Experience with ACAS/Nessus. Experience in utilizing Microsoft operating systems to deploy, manage, and support applications and services, ensuring system reliability and user productivity. Ability to administer Active Directory (AD) to manage user accounts, permissions, and access controls across the network. Experience in automating IT tasks and processes using Microsoft PowerShell scripting to improve efficiency and productivity. Experience in overseeing security measures to protect the organization from possible threats. Identify security requirements and risks and develop mitigation policies. Experience in managing server infrastructure to ensure reliability, performance, and security of organizational systems and applications. Experience in managing and configuring IT infrastructure to ensure optimal performance, security, and availability of services, while troubleshooting and resolving issues as they arise. Ability to create and enhance systems to meet organizational requirements and specifications while ensuring compatibility and compliance. Ability to implement systems and applications to support organizational initiatives and workflows effectively. Experience in managing complex systems throughout their life cycles and integrating various components, subsystems, or processes. Experience in providing technical assistance for related issues, ensuring timely resolution of problems, and maintaining optimal system performance and user satisfaction. Ability to identify and resolve technical issues that arise within a complex system or network infrastructure. Experience in implementing and managing virtual environments to optimize resource utilization, enhance scalability, and ensure system reliability. Preferred Qualifications AWS Certified Cloud Practioner CompTIA A Additional qualifications may include any other relevant certifications or experience. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet. #J-18808-Ljbffr
$103.8k - $218.1k
Job Title: Classified Systems Administrator and ISSOJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The OpportunityCACI is...SuggestedContract workWork experience placementFlexible hours$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- ...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- 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
$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- ...POSITION OVERVIEW The Senior Systems Administrator ensures the stable operation of Customer's computer software systems and network connections in support of the DoD. This role is responsible for planning, installing, configuring, maintaining, and optimizing network software...Contract workLocal areaRemote work
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Systems Administrator II Location: Reston, VA Job Location: Assist in server operations, resolving customer issues for Unix/Linux based...
$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$82.55k - $110.05k
...Excellence * Leadership * Transparency * Member-Driven we need you on our team! We are seeking a reliable and detail-oriented Systems Administrator to oversee, maintain, and secure our core IT infrastructure. In this role, you will manage both on-premises and Cloud...Local areaFlexible hours- ...Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Perform installation, configuration... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...
- ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations...
- ...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
- ...System Administrator Reston, VA, USA Full-time Clearance: Top Secret/SCI Job Description As 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...Full timeShift work
- ...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
- ...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
- ...IT Enterprise System Admin 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position Microsoft Azure Administrator experience Microsoft Azure Network Solutions experience Windows admin skills (Active Directory, DNS, Group Policy)...
- ...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$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$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...- ...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
- ...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
- ...System Administrator Herndon, VA Top Secret/SCI Polygraph Career Level not specified Salary not specified Join Premium to unlock estimated salaries System Administrator Herndon, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer...Work experience placementShift workNight shift
$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
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