System Administrator
$85k - $125kINflow Federal
About INflow Federal - founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions to the Department of War (DoW) and Joint Force operations across 20+ states. Our strength comes from our people - especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation. Known for our agility, transparency, and integrity, INflow combines real-world experience with emerging technologies like AI/ML to help our customers lead in a rapidly evolving defense landscape. We empower both our employees and mission partners to stay ahead - driving smarter, faster, and more secure outcomes. Job Overview: INflow Federal is seeking a motivated Systems Administrator to ensure the seamless operation, maintenance, and configuration of our organization’s computer systems. This role involves close collaboration with both on-site and remote users, offering a dynamic work environment. You will be integral in coordinating site visits, performing upgrades, resolving issues, and providing TIER 2/3 support for Unix/Windows workstations, servers, and other critical IT infrastructure. At INflow, your work is more than a job—it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference. Responsibilities System Administration: Manage desktop and server systems across local and wide area networks, including account monitoring, security, OS installations, and related tasks. IT System Support: Implement, troubleshoot, and maintain IT systems and infrastructure, ensuring smooth day-to-day operations, monitoring, and problem resolution. Technical Support: Provide Tier 2 and Tier 3 support for problem identification, diagnosis, and resolution, including escalation and status communication to management and customers. Software Management: Install and load operating systems and application software, isolate and resolve hardware/software issues, and enhance system performance. Network Management: Troubleshoot, maintain, and configure network components, ensuring improved reliability and performance. Software Upgrades: Perform software installations and upgrades to Unix/Windows operating systems, maintain them per policies, and resolve software-related issues. Database Management: Manage multiple linked databases, ensuring security, data integrity, disaster recovery, and bulk data imports/exports. Maintenance Coordination: Conduct routine and emergency maintenance of data center equipment and coordinate preventive maintenance with customers. Backup and Recovery: Collaborate on the development, administration, and testing of backup and recovery plans. Security Compliance: Ensure system security per STIG guidelines using tools like Retina and HBSS. Standard Operating Procedures: Maintain operational, configuration, and other SOPs to verify system availability using existing Enterprise tools. Required Skills Technical Skills: Proficiency in UNIX, Windows, and/or Storage administration. Experience with trouble reporting and tracking systems like Security+. Availability: Ability to respond to after-hour calls and provide on-call support. Willingness to travel up to 20% to local and other sites. Local Travel: Position requires 30-75% travel within the Washington Metropolitan area. On occasion can include travel to other CONUS and OCONUS locations. Physical Requirements: Ability to lift/move/carry equipment up to 40 pounds. Experience Requirements Education/Certifications: Technical training, certification(s), or degree in a related field. Experience: Minimum of 3+ years in systems administration or a related role. Certifications: Security+ certification or DoD 8570 Level II equivalent (must be obtained within 90 days of hire). Clearance Requirements TS/SCI Clearance required with eligibility to obtain CI Poly. $85,000 - $125,000 a year This is the likely salary range for this position. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Other Notes Some travel may be required: Must have valid driver’s license and transportation. This is subject to change at the direction of the customer. If accommodation is needed with your application or the interview process for applicants with disabilities, please contact Human Resources at View phone number on click.appcast.io. Candidate must have the ability to lift up to 50 lbs. Must have willingness to perform duties not listed in the job description as required by INflow and our customer. Citizenship Requirements * Please note that INflow Federal is a defense contractor. Pursuant to our government contracts, candidates must be US Citizens to be considered for employment. Equal Opportunity Employer Diversity and Inclusion INflow provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This commitment applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, leaves of absence, compensation, and training. Job applicants and employees are evaluated solely on job-related qualifications and experience. #J-18808-Ljbffr
$105k - $155k
...Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies... ...selected candidates will be contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator 4: $120,000 - $160...SuggestedFull timeWork experience placementLocal areaWorldwide$86.6k - $181.8k
Job Title: Tier 2 Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start:... ...Opportunity:We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this role, you will serve as...SuggestedContract workWork experience placementFlexible hours- ...Overview AFS is seeking an Infrastructure Systems Administrator responsible for the administration, integration, modernization, and day-to-day operational support of a self-hosted ServiceNow platform deployed on AWS in a government/defense environment. Works as part of...Suggested
- ...Position Name : Senior System Administrator Location : Springfield, VA Clearance Required : TS/SCI with CI Scope Poly Work Schedule : Monday–Friday, within 5:00 AM – 9:00 PM EST window Employment Type : Full-Time Position Overview The GEODS program is seeking a highly...SuggestedFull timeContract workMonday to Friday
$104k - $124k
...Overview System Adminisrator Springfield, VA Active TS (SCI eligibility) and eligibility to obtain a CI poly At Bcore, our strength... ...our nation’s cyber interests? Join our growing team as a System Administrator supporting the NGA customer mission. Responsibilities What you...SuggestedWork experience placementRemote workFlexible hoursWeekend work- ...Clearance with the ability to obtain a CI Poly****. What Impact You’ll Have We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a...Contract workTemporary workRemote work
- ...PSG is seeking an individual with IT Systems Engineering & Administrative experience with Windows and Linux environments. The selected candidate will be responsible for providing technical support for the operating systems and their successful integration with the hardware...
- ...At GDIT, people are our differentiator. As a Systems Administrators you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrators with Linux and Windows Infrastructure experience to manage and maintain mission‑critical operational...Contract workWork experience placementLocal area
$75.2k - $158.1k
Job Title: AWS System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...* *The Opportunity:The TCS team is looking for an AWS System Administrator to work on Enterprise Cross-Domain Systems and associated projects...Contract workWork experience placementLocal areaFlexible hours- ...Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure... ...and innovative environment. Concept Plus is seeking a System Administrator to operate within a multi-disciplinary IT team consisting of cybersecurity...Local areaFlexible hours
- ...Bcore is seeking a System Administrator (Desktop Support) in Springfield, VA to deliver expert end-user support, maintain desktop environments, and ensure reliable computer systems for on-site and remote users. The role requires TS clearance with SCI eligibility, Security+...Remote work
$95k - $135k
...Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies... ...cybersecurity, physical facilities, and personnel operations. The Systems Administrator - NMCI Desktop Support serves as the organization's NMCI...Full timeWork experience placementLocal areaWorldwide$73.45k - $132.78k
...this sounds like a mission you want to be a part of, keep reading! The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will rack and stack equipment, support upgrades and...Temporary workWork at officeLocal areaImmediate startRemote work- General Dynamics Information Technology (GDIT) is seeking a Director Support Technician to provide dedicated Deskside IT service support for NGA Front Office and NGOC staff in Springfield, VA. The role involves IMACD tasks, device provisioning, and end-user device management...
$105k - $115k
...ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED Transform technology into opportunity as a Systems Administrator with D2 Tech Services. A career in enterprise IT means connecting and enhancing the systems that matter most. At D2 Tech Services you’ll be at the forefront of innovation...Shift workNight shift- ...Mission Technologies, a division of HII, is seeking a senior Systems Administrator to secure and optimize Windows and Linux environments supporting critical enterprise and mission workloads. You will apply cross‑platform expertise to ensure systems are reliable, performant...
$80k - $120k
...Posted 2026-07-24 Category Information Technology Subcategory Sys Administrator Schedule Full-Time Shift Day Job Travel Yes - 10% of the time... ...SAIC is seeking a highly motivated and skilledSenior Systems Administrator II – Desktop Support to join our MAJESTIC Joint...Full timeFor subcontractorWork at officeRemote workShift work$85k - $125k
...partners to stay ahead - driving smarter, faster, and more secure outcomes. Job Overview: INflow Federal is seeking a motivated Systems Administrator to ensure the seamless operation, maintenance, and configuration of our organization’s computer systems. This role involves...For contractorsLocal areaRemote work$138.6k - $170.1k
...drive positive, lasting change that moves missions and the government forward! Summary AFS is searching for an infrastructure Systems Administrator responsible for the administration, integration, modernization, and day-to-day operational support of a self-hosted...Live inWork at officeLocal area- ...D2Consulting is seeking a Systems Administrator to support a classified intelligence customer in Springfield, VA. The role focuses on desktop support, endpoint management, and ensuring reliable computer systems for on-site and remote users. The position requires a TS/SCI...Remote work
$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 workLocal areaImmediate startShift workDay shiftAfternoon shift$62k - $141k
IT Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in aerospace and national defense? You understand your customer’s environment and how to develop the right systems...Full timeContract workPart timeWork at officeLocal areaRemote work- ...We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on TS/SCI level cleared Jr. Systems Administrator joining our team to support our Intelligence customer in Springfield, VA. Job Summary Maintains an organization's computer systems...Local areaRemote work
- ..., Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST | 0 Hrs. OT on a Exempt 1099 Contract: No Overtime Pay Contract...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...Overview Abile Group has an exciting and challenging opportunity for a Jr. Systems Administrator on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team will work together to support...Contract workLocal areaWorldwide
$78.6k - $160.2k
...and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This...Full timeLive inWork at officeLocal area$73.45k - $132.78k
...this sounds like a mission you want to be a part of, keep reading! The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will rack and stack equipment, support upgrades and...Temporary workWork at officeLocal areaImmediate startRemote work$107.74k - $142.6k
...Linux Systems Engineer GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted... ...Required Skills: Solid understanding of Linux system administration fundamentals (networking, storage, security, and OS internals...Temporary workImmediate startRemote workWorldwideFlexible hours- ...and prosperity.Join us in shaping a new era in space and find a career that's built for you.The Bobcat program is seeking a Systems Administrator/Configuration Management Analyst.Your responsibilities will include the following: • Analyzes proposed changes of product design...Full timeFor subcontractorWork at officeRemote workMonday to FridayFlexible hours
$120k - $135k
Job DescriptionEverforth ECS is seeking a Senior Systems Administrator (Top Secret Cleared)to work in our Washington, DC office. Please Note: This position is contingent upon contract award.We are seeking a cleared System Administrator to support secure system administration...Contract workWork at office
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