Senior Systems Administrator
$100k - $135kTekSynap
Responsibilities & Qualifications
RESPONSIBILITIES
Virtualization: Proven experience administering and maintaining VMware vSphere environments, including ESXi hosts and vCenter Server.
Storage & Backup: Hands-on experience managing enterprise storage systems (specifically NetApp ONTAP) and configuring/maintaining automated backup solutions using Veeam Backup & Replication.
Windows Server & Domain Administration: Deep expertise in Windows Server administration, Active Directory (AD), Group Policy Objects (GPOs), and user/group management.
Security & Compliance: Direct experience implementing DISA STIGs (Security Technical Implementation Guides) and conducting vulnerability scans using ACAS (Assured Compliance Assessment Solution).
Monitoring & Network Management: Familiarity with Cisco networking concepts (VLANs, routing, switching, Adaptive Security Appliance) and experience utilizing SolarWinds (or similar enterprise monitoring suites) for network and system performance monitoring.
Identity & Access Management: Experience managing Certificate Authorities (CA servers) and Public Key Infrastructure (PKI) for secure network authentication.
Linux Familiarity: Basic administration of Red Hat Enterprise Linux (RHEL) environments.
Documentation & Baselines: Develop IT operating procedures, techniques, and baseline configuration guides.
Hardware Support: Perform operations and maintenance support on laptop PCs and systems.
Technology Refresh: Participate and assist in researching IT solutions in support of technology refresh as required to support IT system development and life cycle activities.
Vulnerability Management: Resolve IT-related Plan of Actions and Milestones (POA&M) and remediate software vulnerabilities via security patching and specialized software configurations.
RMF Support: Support the Risk Management Framework (RMF) and assist in the security assessment of the IT environment as required.
REQUIRED QUALIFICATIONS
Top-Secret clearance required with SCI or SCI eligibility.
DoD 8570 Level II or III compliant certification and computing environment certifications required.
Ten (10) or more years of experience.
BS/BA
Overview
TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays.
The safety and health of our employees is of the utmost importance. Employees are required to comply with any vaccination requirements mandated by contract, applicable law or regulation.
By applying to a role at TekSynap you are providing consent to receive text messages regarding your interview and employment status. If at any time you would like to opt out of text messaging, respond "STOP". As part of the application process, you agree that TekSynap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment consideration.
Visit us at .
Apply now to explore jobs with us!
Additional Job Information
WORK ENVIRONMENT AND PHYSICAL DEMANDS
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
Location: Fort Belvoir, VA
Type of environment: Office
Noise level: Low
Work schedule: Schedule is day shift Monday – Friday.
Amount of Travel: 10%
PHYSICAL DEMANDS
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms; talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.
WORK AUTHORIZATION/SECURITY CLEARANCE
U.S Citizenship Required
Top Secret Clearance with SCI Eligibility required
WAGE INFORMATION
Target salary range: $100,000.00 - $135,000.00. The salary range displayed is an estimate only and is not a guarantee of compensation or salary, and will be determined on several factors regarding the individual’s particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements. The displayed salary is one component of the total compensation package for employees.
OTHER DUTIES
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.
TekSynap is a drug-free workplace. We reserve the right to conduct drug testing in accordance with federal, state, and local laws. All employees and candidates may be subject to drug screening if deemed necessary to ensure a safe and compliant working environment.
Many positions require specific certifications and/or the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. Applicants who accept an offer of employment may be subject to investigations performed by TekSynap and/or the Government to verify the candidate meets the required qualifications and other eligibility requirements.
EQUAL EMPLOYMENT OPPORTUNITY
In order to provide equal employment and advancement opportunities to all individuals, employment decisions will be based on merit, qualifications, and abilities. TekSynap does not discriminate against any person because of race, color, creed, religion, sex, sexual orientation, gender identity, protected veteran status, national origin, disability, age, genetic information or any other characteristic protected by law (referred to as “protected status”). This nondiscrimination policy extends to all terms, conditions, and privileges of employment as well as the use of all company facilities, participation in all company-sponsored activities, and all employment actions such as promotions, compensation, benefits, and termination of employment.
TekSynap is committed to ensuring that our online application process provides an equal employment opportunity to all job seekers, including individuals with disabilities. If you believe you need a reasonable accommodation in order to search for a job opening or to submit an application, please contact View email address on click.appcast.io for assistance.
Software Powered by ICIMS (
Job Locations US-VA-Fort Belvoir
ID 2026-9565
Category Systems Administrator/Engineer
Type Regular Full-Time
- ...Qualifications Installation, configuration, maintenance, and administration of Active Directory. Be comfortable updating and... ...scanning, Tanium, and local security policies, while maintaining system efficiency, maintainability, and supportability. Install and configure...SeniorWork experience placementLocal area
- ...Senior Systems Administrator The company is looking for an amazingly talented Senior Systems Administrator to join our team! In this role you will get to manage Windows Active Directory environments, hypervisors, Linux and Windows virtual machines. What You'll Be...SeniorFlexible hours
- ...Level: Not SpecifiedTravel Percentage: Occasionally Job Shift: DayJob Category: Professional Services BMA is seeking a Systems Administrator- Senior (Okta) to join our team. This is a fully remote role. Job Summary Ensures the stable operation, maintenance, and optimization...SeniorTemporary workLocal areaRemote workShift work
- Revolutional is seeking an experienced SME Systems Administrator to support the Department of Homeland Security (DHS). This role provides advanced technical leadership and mission-critical support for secure, 24/7 systems across multiple locations, including COOP readiness...Senior
- Kaimetrix is seeking a System Administrator - Level III to support enterprise IT systems in a secure, mission-critical environment at Fort Belvoir, Virginia. The ideal candidate will have at least 6 years of progressive experience and relevant certifications, ensuring...Senior
- A defense technology company is seeking a Senior Microsoft System Administrator to provide operational intelligence and server management support at Ft. Belvoir, VA. The ideal candidate will have extensive experience in server administration, especially with Windows Server...Senior
- North Point Technology is seeking a Microsoft System Administrator for Senior and Junior levels at Fort Belvoir, VA. This position requires an active TS/SCI clearance with a CI Polygraph. Responsibilities include maintenance of Windows-based servers, application updates...Senior
- ...Job Description Job Description Microsoft System Administrator - Senior - #881 Location: Fort Belvoir, VA TS/SCI w/CI Poly REQUIRED Experience: Eight years of progressively responsible experience in server administration, including supporting and managing...SeniorImmediate start
- Senior Microsoft System Administrator Ft. Belvoir, VA At IPT Associates (IPTA), we enjoy solving real‑world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical solutions that actually make a difference...SeniorContract work
- Microsoft System Administrator- Senior / Junior(Top Secret with agreement to obtain CI Poly) This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Position / LCAT: Microsoft System...SeniorWork at office
- Evans & Chambers Technology is seeking a highly motivated Microsoft System Administrator - Senior to join our team! Evans & Chambers partners with the US national defense community to create fully integrated, resilient, and innovative digital solutions that enable them...SeniorImmediate start
- Dexian Government Solutions is recruiting for a System Administrator IV to support the DHA GSP TO7 at ATAMMC, Fort Belvoir, VA. The role supervises system administration functions, mentors staff, and ensures security and availability of infrastructure. You will deploy...Senior
- Dexian Government Solutions is seeking a System Administrator III (Clinical) at ATAMMC, Fort Belvoir, VA to manage advanced clinical systems and provide 24/7 on-call support for MHS GENESIS and related platforms. The role includes on-site testing, user training, and coordination...SeniorMonday to Friday
$105k - $155k
...Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s... ...contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator... ...,000What you will doYou will serve as a senior technical resource responsible for administering...SeniorFull timeWork experience placementLocal areaWorldwide$103k - $115k
...SMS is seeking a Sr. System Administrator at Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization...SeniorRemote workShift workWeekend work- SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK...Senior
- ...Job Description Job Description SENIOR SYSTEMS ADMINISTRATOR: Ensures the stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all...SeniorLocal areaRemote work
- ...Sundays-Wednesdays. Manages the functionality and efficiency of a group of computers running on one or more operating systems. The Sr Systems Administrator is responsible for the operations, maintenance, and monitoring of data center operations and supporting...SeniorContract workWork experience placementLocal areaRemote workShift workNight shift
- Sienna Systems Corporation is seeking a Cloud Systems Administrator to join the SSA Special Notice Option (SNO) team in Alexandria, Virginia. You will own AWS and Active Directory environments end-to-end on a small, self-directed team. You will work on-site with government...Senior
- Title: Senior Cisco Systems AdministratorLocation: RemoteClearance: Secret Responsibilities:Perform daily administration and monitoring of Cisco UCS domains, fabric interconnects, chassis, and blade serversManage, maintain, and upgrade VMware vSphere, vCenter, and VMware...SeniorFull time
- Allen Integrated Solutions is seeking a Senior Microsoft System Administrator to support and manage production Windows Server environments, including Active Directory, DNS, and DHCP. The role requires leading a team, mentoring junior staff, and applying security best practices...Senior
- ...protect our country from threats. Job Description Shape the Mission. Engineer the Future. GDIT is seeking a Senior Cloud System Administrator / Integrator with deep experience supporting Army systems in cloud and hybrid environments. You will apply advanced...Senior
- ...Hi, Need Candidates for Senior Server Admin Senior Server Administrator (VMware / Windows / Active Directory) Role Summary We are seeking experienced... ...technical teams, and supporting critical production systems. Key Responsibilities • Perform Windows Server...Senior
$116.35k - $210.33k
...decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. Ready to engineer solutions that... ...Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States...SeniorFull time$100k - $135k
...System Administrator Zachary Piper Solutions is seeking a System Administrator to join the Security and Electronic team. The System Administrator will support the design, engineering, integration, operation, and maintenance of electronic security services. There are...$100k - $135k
...SME Systems Administrator Lorton, Virginia, United States Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud...Full timeLocal areaRemote work2 days per week$86.6k - $181.8k
...Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The Opportunity: We are...Full timeContract workWork experience placementLocal areaRemote workFlexible hours- A leading analytics firm located in Fort Belvoir, VA is seeking a Senior SQL Database Administrator to manage complex database systems. The ideal candidate will have over 8 years of database administration experience, with expertise in SQL Server and T-SQL scripting. Responsibilities...Senior
- ...Dynamics Information Technology seeks a highly motivated Senior Database Administrator to support a Defense Threat Reduction Agency mission in NCR... ...security patches within DIAMONDS, JADE, NIMACS, and related systems. The role involves collaborating with development teams,...Senior
- SQL Database Administrator - Senior - #880 SQL Database Administrator - Senior - #880 TS/SCI w/CI Poly REQUIRED Experience: Eight years of experience in SQL database administration supporting and managing databases in a production environment. Five years of experience...SeniorImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- IT administrator Fort Belvoir, VA
- system admin Fort Belvoir, VA
- application system administrator Fort Belvoir, VA
- IT infrastructure administrator Fort Belvoir, VA
- server administrator Fort Belvoir, VA
- systems administrator Fort Belvoir, VA
- enterprise administrator Fort Belvoir, VA
- senior developer Fort Belvoir, VA
- senior aws cloud engineer Fort Belvoir, VA
- remote senior salesforce administrator Fort Belvoir, VA


