Senior Systems Administrator (Top Secret Cleared)
$120k - $135kECS Federal
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, endpoint management, user support, patching, monitoring, documentation, and operational sustainment for classified and sensitive law enforcement, national security, and criminal justice missions within the National Security Business Unit. The System Administrator will serve as an operational support specialist responsible for maintaining system health, resolving incidents and service requests, supporting endpoint and application administration, improving documentation, and collaborating across infrastructure, cybersecurity, network, application, and service desk teams.The System Administrator will support secure system administration, endpoint management, user support, patching, monitoring, documentation, and operational sustainment for classified and sensitive environments serving law enforcement, national security, and criminal justice missions. This role supports day-to-day operations across servers, workstations, virtual desktops, applications, collaboration tools, and enterprise support platforms.The System Administrator will also support team development and account growth by mentoring junior staff, improving documentation, identifying recurring operational pain points, and recommending automation, service improvement, endpoint modernization, and customer experience enhancements.ResponsibilitiesAdminister, monitor, maintain, patch, and troubleshoot servers, workstations, virtual desktops, applications, and enterprise platforms.Support endpoint imaging, software installation, hardware setup, user support, and operational sustainment.Respond to incidents, service requests, escalations, and recurring technical issues.Maintain SOPs, operational checklists, knowledge articles, and system documentation.Support patch management, vulnerability remediation, backup/restore activities, and system monitoring.Collaborate with infrastructure, cybersecurity, network, application, and service desk teams.Mentor junior administrators, endpoint support staff, and service desk escalation personnel.Identify automation opportunities, service improvements, endpoint modernization needs, and ways to reduce ticket volume.Salary Range: $120,000 - $135,000General Description of BenefitsJob RequirementsActive Top Secret clearance with SCI eligibility; TS/SCI preferred.5+ years of system administration, endpoint support, or enterprise IT operations experience.Experience with Windows Server, Linux, desktop support, patching, scripting, monitoring, and troubleshooting.Knowledge of ITSM ticketing, service request management, incident response, and change management.Ability to maintain operational documentation and follow secure administration procedures.Strong customer service and cross-functional collaboration skills.Job DetailsJob Type: Full-timeCategory: Software Development, Engineering & ApplicationsSalaried: Salaried
$165k - $185k
Job DescriptionEverforth ECS is seeking a Senior Solutions Architect (Top Secret Cleared)to work in our Washington, DC office. Please Note: This position... ...Evaluate emerging technologies and assess gaps in current systems, tools, and processes.Ensure proposed solutions are...SeniorContract workWork at office$145k - $155k
Job DescriptionEverforth ECS is seeking a Senior Software Developer (Top Secret Cleared) to work in our Washington, DCoffice. Please Note: This position is... ...with product owners, business analysts, testers, system engineers, cybersecurity staff, and operations teams to...SeniorContract work$130k - $150k
Job DescriptionEverforth ECS is seeking a Senior Software Programmer (Top Secret Cleared) to work in our Washington, DCoffice. Please Note: This position is... ...designs, release notes, user guides, test plans, and system documentation.Resolve production defects and provide Tier...Senior- ...Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level 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 Discovery IT System...SeniorFull timeFor contractorsFlexible hours
$90k - $108k
Systems Administrator Location: Washington, DC – Onsite (Five days per week) Clearance Requirement: Active Top-Secret Clearance (U.S. Citizen or Permanent Resident) Salary Range: $90,000 – $108,000 Who We Are At RCG, we’re more than just a federal contracting company...SuggestedOngoing contractPermanent employmentFull timeRemote work$20k
...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. IT SYSTEMS ADMINISTRATOR (TOP SECRET CLEARANCE)SpaceX is looking for a Sr. Systems Administrator with deep knowledge and broad experience across Microsoft-...SeniorPermanent employmentTemporary workFlexible hoursWeekend work- ...Job Description Job Description Senior Windows Systems Administrator (TS/SCI Required) Location: On‐Site (U.S. Government Facility) Clearance: Active Top Secret Clearance with SCI (TS/SCI) — Mandatory Employment Type: Full‐Time About the Role We...SeniorFull time
$120k - $135k
...Job Description Everforth ECS is seeking a cleared Senior Systems Administrator (Top Secret Cleared) for our Washington, DC office. The role involves secure system administration, endpoint management, user support, patching, monitoring, documentation, and operational...SeniorWork at officeLocal area- ...from threats. Job Description Senior PostgreSQL Database Administrator We are seeking an experienced... ...performing team supporting mission-critical systems. The Senior PostgreSQL DBA will be... ...YOU’LL NEED TO SUCCEED Active Top Secret security clearance with SCI...Senior
- ...protect our country from threats. Job Description PKI Systems Administrator Advance how our customers operate while you advance... ...REQUIRED ~ Clearance Level Must Currently Possess: Top Secret and SCI eligible ~ Location: Onsite ~ Required: US...Flexible hours
$127.5k - $172.5k
...: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI... ...US Citizenship Required: Yes Job Description: PKI Systems Administrator Advance how our customers operate while you advance your...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...Position Overview JDEIS databases and systems must stay current, backed up, and... ...support doctrine and education work. The Senior Systems Administrator provides database and systems... ...a related field. Security Clearance: Top Secret (per Staffing Plan). Desired Qualifications...SeniorTemporary workFlexible hours
$119.7k
...Summary Senior Systems Administrator Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate... ...systems DOD IAT Level II Certification is required. DOD Top Secret clearance w/ SCI eligibility Successfully pass background...Senior$98.61k - $167.64k
...troubleshooting and resolving issues related to cloud services and system integrations. Collaborate within an Agile development... ...internal and external partners. What You Will Bring With You: Active Top Secret Clearance Proven experience (8+ years) supporting the full Software...SeniorFull timeContract workWork experience placementWork at officeImmediate startRemote work- ...Senior Intelligence Data Analyst (Top Secret) SiloSmashers is seeking a Senior Intelligence Data Analyst to assist our intelligence community client... ...success of the Unit/Section. Provide applications, systems analysis, and programming access for multiple Government...SeniorContract workFor contractors
- ...installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems... ...university or college in Information Technology or similar degree. Required Clearance: DOE Q, Top Secret or equivalent #J-18808-Ljbffr SalienseSenior
- Senior Discovery Database Administrator (DBA) CGS is seeking a dedicated Senior Discovery Database Administrator to join a fast‑paced, hard‑working... ...capabilities on SQL Server 2019 and 2022. Facilitate migration of systems into cloud infrastructure. Upgrade SQL Servers from...SeniorFlexible hours
$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team... ...dependencies, and corrective actions clearly. Establish and maintain a high level... ...systems.What you’ll need to succeed:Active Top Secret clearance with the ability to obtain...SeniorFull timeLocal area$146k - $234k
...the world. The team provides Software and System Engineering, Software and System Development... ...of product goals as defined by top management, definition of project strategy... ...Required Qualifications Active/Current Top-Secret Clearance Bachelor’s degree with eight (8+...Senior- ...Overview Senior Discovery Database Administrator (DBA) Employment Type: Full-Time, Executive-Level Department: Legal CGS is seeking a dedicated Senior... ...platform; Contractor shall facilitate the migration of system into cloud infrastructure Contractor shall upgrade SQL...SeniorFull timeFor contractorsFlexible hours
$113k - $188.4k
...Work you'll do As a Business Analyst - Senior Engineering Management Specialist on the... ...to meet deadlines Ability to provide clear guidance to others The team... ...Required: ~ Bachelor's degree ~ Active Top Secret clearance with SCI eligibility ~3+ years...SeniorLocal areaFlexible hours$104k - $166k
Responsibilities Peraton is currently seeking a Senior Cyber Intel Analyst and CIRT Liaison /... ...CTAD liaison to CIRT, establishing clear communication rhythms, playbooks, and... ...processes.U.S. citizenship required.An active Top Secret security clearance. Additional ability to...SeniorFull timeContract workShift work$80k - $90k
...Spry Squared is looking for a Senior Policy Strategist for a high-... ...as functional workflows, system design, and operations. Assist... .... Citizenship with an active SECRET or TOP SECRET clearance. Must... ...service provider with security cleared personnel working on various...SeniorFor contractors$112k - $179k
...Senior Full-Stack Software Engineer / Active Top Secret Job Locations US-VA-Arlington Requisition ID 2026-167391 Position Category... ...capabilities into current tools and platforms. Systems Integration: Address complex challenges related to...SeniorContract workRemote workShift work- ...Insurance). POSITION DESCRIPTION: Senior Strategic Writer Location:... ...On-Site Clearance: Active Top Secret/SCI Clearance Required... ...Headquarters workflow systems. Advanced proficiency using... ...logistics modernization efforts into clear, concise executive...SeniorFull timeContract workWork at office
$70.8k - $172.4k
Senior Data Engineer (Secret Cleared) Position Description CGI Federal is seeking a Senior Data Engineer... ..., and support data pipelines and systems that meet client data needs within an... ...not hire individuals at or near the top of the range for their role. Compensation...SeniorPermanent employmentLocal area$112k - $179k
...Troubleshoot UI/UX issues, enhance application performance, and produce clear technical documentation.QualificationsMinimum Requirements Are:... ...web application development.U.S. Citizenship required.Active Top Secret security clearance. Must have the ability to obtain and...SeniorContract workCasual workShift work- ...Electrosoft Services, LLC seeks a Senior Systems Administrator to design, implement and manage diverse software solutions for federal customers.... ...solid IT background, and experience with Power BI and Qlik. A Secret clearance is required, with CISCO/PM certifications...Senior
- ...your career. Join GDIT as an Applications Delivery Network Systems Administrator and build an impactful career in enterprise IT, collaborating... .... REQUIRED · Clearance Level Must Currently Possess: Top Secret and SCI eligible · Location: Onsite · Required: DoD 814...Flexible hours
$92.3k - $166.85k
...Description Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting‑edge Agile software development... ...St. Louis, MO Tucson, AZ Clearance Level Required Active Top Secret/SCI with the ability to successfully pass a Polygraph...SeniorContract workShift workDay shiftAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator (Top Secret Cleared). Be the first to apply!
- system admin Washington DC
- application system administrator Washington DC
- computer systems administrator Washington DC
- microsoft systems administrator Washington DC
- remote systems administrator Washington DC
- systems administrator Washington DC
- server administrator Washington DC
- office 365 and sharepoint system administrator Washington DC
- enterprise administrator Washington DC
- IT infrastructure administrator Washington DC

