System Administrator
RavenTek Business Group
Job Title: System Administrator Department: Operations – Services Reports To: RavenTek Program Manager Location: Chantilly, VA Schedule: Monday – Friday Hours: Full-time, 40-hours/week FLSA Status: Hourly, Nonexempt Clearance: TS/SCI CI Poly Position Summary The System Administrator supports enterprise IT operations by maintaining, securing, and optimizing systems across on‑premises and cloud‑based environments. This role ensures the stability, performance, and security of critical infrastructure, collaborates with cross‑functional teams to deliver technical solutions, and contributes directly to the organization’s mission through high‑quality system support and administration. The performance of this position is key to RavenTek’s performance on the contract, and therefore RavenTek’s mission to support the customer. Essential Duties and Responsibilities Perform server administration tasks including user/group management, security permissions, group policies, and print services. Investigate and resolve event‑log warnings/errors; monitor system resources to ensure seamless performance. Monitor cloud and data‑center environments; build, test, and maintain servers as required. Maintain infrastructure including laptops, desktops, routers, switches, firewalls, printers, phones, and security updates. Support LANs, WANs, internet, intranet, and segmented networks. Enable more efficient business processes by developing analytics and insights. Assist teams with troubleshooting and root‑cause analysis; provide technical support when needed. Perform routine and scheduled audits, including backup verification. Collaborate with security personnel to evaluate and mitigate risks. Communicate project status, activities, and achievements to internal and external partners. Enter actual time worked, once complete, at the end of the day, or no later than 10:00 a.m. the following workday, and submit timesheets at the end of each pay period. Submit Monthly Status Reports on a regular basis, as required. Monitor RavenTek email on a regular basis, at least 3 times per week, and respond accordingly. Complete required compliance training as assigned. Other duties as assigned. Knowledge and Critical Skills Knowledge of operating systems, programming/scripting languages, enterprise backup procedures, and system performance tools. Experience working with large‑scale distribution systems. Familiarity with Active Directory, virtualization, network traffic analysis, content delivery, and caching technologies. Experience with cloud computing platforms and project management. Strong analytical, troubleshooting, and documentation abilities. Education & Work Experience Bachelor’s degree in Computer Science, Information Technology, or related field. 5+ years of experience in system administration or related technical roles. Certifications, Licenses Security+, Network+, AWS/Azure/GCP certifications, VMware, Splunk or similar certifications preferred. Special Requirements Must be able to obtain and maintain TS/SCI clearance. Work Environment Employee will be working indoors in an office environment with other people. Potential moderate temperature fluctuations. Typical indoor and computer related noise level, and typical office, paper, and equipment related dust. Exposure to video display terminals occurs on a regular basis. Physical Demands To successfully perform the essential functions of the job, the employee needs to be able to sit at a workstation for extended periods; use hand(s) to handle or feel objects, tools, or controls; reach with hands and arms; talk and hear; see to read printed materials and computer screens; mobility to work in a typical office setting. Ability to work on desktop or laptop computer for extended periods of time reading, reviewing/analyzing information, and may be required to provide recommendations, summaries and/or reports in written format. Must be able to effectively communicate with others verbally and in writing. Employee must be able to lift and/or move moderate amounts of weight, typically up to 20 pounds. Regular and predictable attendance is essential. ADA RavenTek will make reasonable accommodations in compliance with the Americans with Disabilities Act of 1990.
EEO/AA
RavenTek does not discriminate based on race, color, national origin, sex, religion, age, disability, sexual orientation, gender identity, veteran status, height, weight, or marital status in employment or the provision of services and is an equal access/equal opportunity/affirmative action employer. This job description is not intended to be an all‑inclusive list of duties and standards of the position and will be reviewed periodically as duties and responsibilities change with business necessity. Essential job functions are subject to modification. Incumbents will follow any other instructions, and perform any other related duties, as assigned by their supervisor. #J-18808-Ljbffr RavenTek Business Group$90.3k - $189.6k
Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity CACI...SuggestedFull timeContract workWork experience placementLocal areaFlexible hours- ...requirements and track completion through the automated tracking system. Create user accounts. Manage network email services. Perform... ...the NRO enterprise (COMM). Qualifications 5 years of system administration experience or related technical IT experience. Experience with...SuggestedWork at office
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...SuggestedFull timeContract workFor contractorsWork at office
$130k
...Employee and Family and 401k up to 8% match and more. Location: Chantilly, VA DESCRIPTION Our client has an opening for a System Administrator to support the National Security Sector, to provide technical expertise and to operate and maintain the IT environment....Suggested- ...About the Role Redhorse transforms the way government uses data and technology to support its mission. We are seeking an elite System Administrator to serve as the technical authority for the design, development, and deployment of a mission‑critical web‑based internal...Suggested
$99k - $165k
...This position requires an active U.S. Government Security Clearance at the TS/SCI level with required polygraph. Are you a System Administrator that likes working on important and high visibility projects? Then we need your help! We have an urgent and immediate need...Immediate start- Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With... .... Responsive. Trusted. SPA is hiring an IT Systems Administrator to support a multi-vendor infrastructure with a focus on Linux...Work at officeImmediate startRemote work
- ...government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic... ...demonstrated experience: Demonstrated experience with system administration in Windows & Linux/Centos Server environment. Demonstrated...Contract workFor contractorsFor subcontractorWork at officeLocal areaImmediate start
- ...MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities,...
- Overview We are 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...
$116.35k - $210.33k
...Description Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM space. As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud‑Native...- ...At NS2 Mission, reliable infrastructure is the foundation of mission success. We're seeking a Systems Administrator to join our team in Chantilly, VA , where you'll be responsible for managing, maintaining, and optimizing enterprise server environments that support Intelligence...Local areaRemote workFlexible hours
$92.3k - $166.85k
...Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting‑edge Agile software development program, Chinook, for an Intelligence Community...Contract workShift workDay shiftAfternoon shift- ...Overview Job Title: Senior Systems Administrator Department: IT / Engineering Reports To: RSekure Program Manager Location: Chantilly, VA Schedule: Monday – Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI – Full-Scope Polygraph Summary RSekure is seeking a...Full timeFor contractorsWork experience placementWork at officeLocal areaMonday to Friday
- Fulcrum Vets is looking to add a Senior Systems Administrator with expertise in supporting Windows Server Active Directory environments to join our team. This position will play a key role in the management, optimization, securing, and troubleshooting of environments, ensuring...Full timeWork experience placementFlexible hours
- Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization’s network systems. CGS brings motivated, highly skilled, and creative...Full timeWork at officeFlexible hours
$103.8k - $218.1k
Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US What You’ll Get to Do: CACI...Full timeContract workWork experience placementFlexible hours- ACTIVE TS/SCI WITH FULL SCOPE POLY REQUIRED*** Job Description The Systems Engineer (Storage) evaluates, implements and maintains Storage Area Networks (SANs) and storage systems across enterprise platforms. Responsibilities include the evaluation, design, implementation...
- Overview Senior Discovery IT System Administrator — Employment Type: Full-Time, Executive-Level. Department: Legal. CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Senior...Full timeFor contractorsFlexible hours
- ...MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA. As a Linux Systems Administrator, you will help maintain and enhance the Sponsor’s Linux environment alongside a talented team. You will be responsible...Work at office
- A Government entity is hiring for a LINUX Administrator Responsibilities include: Administration of AWS/Azure and database migration activities... ...and resolves issues and maintain web application hosting systems, reliability and uptime of production applications Support system...
$90.3k - $189.6k
Job Title: Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI... ...Administrator supporting critical Corporate Business Information Systems. In this role, you’ll work hands‑on with a broad range of...Full timeContract workWork experience placementImmediate startFlexible hours- ...POSITION TITLE: Systems Administrator POSITION SUMMARY: IMRI is seeking an experienced Systems Administrator to support and maintain secure, high-performing IT environments across on‑premises and Azure cloud systems. This role focuses on managing servers, identity services...
- ...Job Description ACTIVE TS/SCI WITH FULL SCOPE POLY REQUIRED*** Our client has an immediate need for a System Administrator with a focus on Linux experience in the McLean, VA area. The on‑site system administrator shall support the day‑to‑day operations of the Sponsor’...Local areaImmediate startRemote work
- ...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
- Senior Systems Administrator Location US- ID 2026-1547 Remote Yes Overview JOB TITLE: Senior Systems Administrator AGENCY SUPPORTED: U.S. Department of Justice (DOJ) - MEGA 6 Automated Litigation Support POSITION TYPE: Full-Time, Contingent Upon Award...Full timeContract workFor contractorsWork at officeRemote workWork from homeHome officeFlexible hours
- ...Job DescriptionWe are seeking a highly skilled System Administrator/Cloud Engineer to enhance our existing technical team supporting the advancement of AI/ML/Data Science technologies, in Herndon, VA.The successful candidate will be a self-motivated, innovative, cloud...
- BT-350 – Systems Administrator Skill Level: Senior Herndon, VA (fully on-site, no remote option) Please do NOT apply if you do not have an active Poly clearance. Those without a Poly will not be considered. Required Skills: Demonstrated experience configuring and...Remote 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- Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Oversee and manage both virtual... ...degree with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...Local area
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