Systems Administrator
$112k - $179kPeraton
US-VA-Herndon | US-DC-Washington | US-MD-Riverdale Requisition ID
View phone number on click.appcast.io Position Category
Information Technology Clearance
Top Secret/SCI w/Poly Responsibilities
Job 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), Application Vendor, and Application End Users. The candidate must have experience in system monitoring, troubleshooting, patching, and security. The role demands an individual who is proactive, detail-oriented, and capable of working independently while adhering to customer requirements and timelines.
Duties and Responsibilities :
- Collaborate closely with government customers, contractor Project Lead, ISSO, Application Vendor, and Application End Users.
- Perform daily system monitoring and monthly patching tasks.
- Troubleshoot network and application performance issues and recommend corrective actions.
- Respond promptly to system issues by troubleshooting and resolving them through a ticketing tracking system. In certain circumstances, report to customer location during off-hours for issue resolution.
- Deploy software patches on a monthly basis during off-hours at the customer location.
- Implement system hardening and security through the application of Security Technical Implementation Guides (STIGs) and patching.
- Provide support and maintenance for Oracle database environments on Windows and CentOS servers.
- Create or update documentation related to system operations and processes, ensuring clarity and simplicity.
Create/Revise Documentation Including :
- Daily Standard Operating Procedures (SOP)
- Security Test Procedures (STP) based on Security Controls Traceability Matrix (SCTM)
- System Install Procedures (SIP)
- System Administration Guide (SAG)
- System User Manual (SUM)
- Interface Control Document (ICD)
#SpaceIntel
QualificationsRequired Qualifications :
- TS/SCI clearance with polygraph adjudication or the ability to obtain SCI clearance and pass a polygraph.
- Bachelor's degree in a related field with 8+ years of relevant experience. Alternatively, 4 additional years of relevant experience may be considered in lieu of degree.
- Minimum 8 years of experience with System Administration.
- Active Security+ (DoD 8570 Baseline certification for IAT Level II).
- Proven ability to install, configure, and maintain systems per project specifications.
- Experience with the implementation of Security Technical Implementation Guide (STIG).
- Experience maintaining applications in SQL Server or Oracle database environments.
- Experience writing scripts to monitor system services, resources, and data mining logs.
- Proficient in writing/editing PowerShell scripts.
- Strong experience with Microsoft Windows 2016 or higher and Red Hat Linux 8 or higher operating systems.
- Experience with Amazon Web Services (AWS) Cloud and VMware.
- Strong troubleshooting and debugging skills for server-based applications and IT infrastructure components.
- Ability to perform occasional after-hours tasks, including system restarts, application upgrades, and software maintenance.
- Ensure proper documentation of system operation and maintenance procedures.
- Perform performance monitoring and provide issue documentation, including recommendations to management.
- Maintain and patch systems, software, and applications to eliminate security vulnerabilities and ensure technology currency.
- Participate in change management processes including patch compliance and Information Assurance Validation Testing.
Desired Qualifications :
- Ability to work well in a team environment.
- Anticipate and address potential issues proactively.
- Familiarity with Oracle and SQL Server.
- Familiarity with Tomcat 8.5 or higher.
- Familiarity with JAVA Open JDK/JRE 11+.
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.
Peraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.- ...Security Clearance: Active TS/SCI with FS Polygraph required Position ~ Apogee's ideal Systems Administrator will be providing support for a comprehensive suite of applications. The necessary support & services include systems administration & Tier 2 help desk...SuggestedTemporary workFlexible hoursShift work
$87k - $116k
...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...SuggestedFull timeWork experience placementImmediate start$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...SuggestedFull timeWork experience placement- ...Job Summary AnaVation is seeking a Sr. Systems Administrator to join our team and support our mission‑critical customer in Reston, VA. Responsibilities Plan, design, and implement infrastructure changes and system upgrades. Manage and troubleshoot multiple VMware environments...SuggestedTemporary workImmediate start
- ...that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Role Systems Administrator The Boeing Defense, Space & Security (BDS) organization, Intelligence Systems portfolio, is seeking a DevOps Developer to join...SuggestedContract workWork experience placementRemote workWorldwideFlexible hours
- We are seeking a skilled and detail-oriented Systems Administrator to support and maintain enterprise Windows and Linux server environments in a fast-paced, mission-focused organization. This role is responsible for building, configuring, securing, and monitoring systems...Contract work
- ...Systems Administrator Apply Now! Back to search Location: Reston, VA Posted: 6/12/2026 Location Name: Reston, VA Wage Max: 155,000.00 Annual Wage Min: 130,000.00 Annual Position Type: Full-Time COMPANY OVERVIEW Join our award-winning team at...Full timeFor contractorsLocal area
- # Sr Systems AdministratorApply**Job#: 2091542****Job Description:**Sr Systems Administrator**Location:** Reston, Virginia (On-site)Role OverviewWe are seeking a Senior Systems Administrator to support a long-term contract. The successful candidate will be responsible for...Hourly payLong term contractContract work
- ...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....Full timeShift work
- ...Overview System Administrator Reston, VA Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence...Local areaRemote work
- ...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...
- ...Employee Type Exempt Required Degree 4 Year Degree Travel 75% Contact information Description Sierra7, Inc. is seeking a Senior Systems Administrator to support the operation, security, and modernization of a complex federal technology environment. This position maintains...Temporary workCasual workLocal areaMonday to FridayFlexible hoursAfternoon shift3 days per week
$190k - $210k
...Job Posting Markon is seeking an experienced Systems Administrator to support and maintain enterprise IT infrastructure in a secure, mission-focused environment. The ideal candidate will have deep experience managing Linux and Windows environments, implementing security...Temporary workFlexible hours- ...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
- ...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...
- ...impactful and exciting government programs. Job Description Roles and Responsibilities Seeking an experienced Senior Systems Administrator in Virtualization and Hyper-converged Infrastructure technologies Nutanix, VMware, and information technology enterprise...
$112k - $179k
...Systems Administrator Job Locations US-VA-Herndon | US-DC-Washington | US-MD-Riverdale Requisition ID 2025-154686 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Job Summary : We are seeking a highly skilled and experienced System...For contractors- ...start Collaborates in the design of computing delivery systems, standards and change management processes. Diagnoses and resolves... ...leads root cause analysis for delivery systems. Leads the administration of user system access and oversees initiatives to protect...Work experience placement
$73.45k - $132.78k
...Description The Intel Security Sector at Leidos currently has an opening for a Systems Administrator. Your job will be to bring together systems administration, systems maintenance, and systems performance optimization. As an integral member of the team, you will work...Remote work- ...one or more of the disciplines described below where specific skills may include the following: Key Responsibilities: Systems Administration • Provide Tier I & II support for enterprise systems and escalate advanced issues as needed. • Troubleshoot server,...
- ...extensive experience and effective approach, ensuring that we lead with both innovation and integrity. The Position Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers subject...RelocationDay shift
$79.37k - $134.92k
...Job Description BAE Systems is a leading global defense, security, and aerospace company. We are seeking a Jr. to Mid‑Level Systems Administrator to join our dynamic team supporting a government customer to drive innovation, efficiency, and security in the rapidly evolving...Full time$168k - $206k
...Senior Systems Administrator Location: Herndon, VA. Responsibilities Monitoring system performance, troubleshooting issues, and performing regular maintenance tasks such as applying updates, patches, and security fixes. Assist Network Engineers with configuring and managing...Work experience placementRemote workFlexible hours$79.37k - $134.92k
...Jr. to Mid-Level Systems Administrator BAE Systems is a leading global defense, security, and aerospace company. We're seeking a highly skilled Jr. to Mid-Level Systems Administrator to join our dynamic team, supporting our government customer in driving innovation,...Full timeLocal area- ...important IT assets and invest in the long-term career development of every employee! We are currently looking for the next System Administrator to join our team of experts! What you'll be doing: • Maintains smooth operation of multi-user computer systems, including...
- ...Senior Systems Cloud Administrator Required Skills and Experience: - 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell or bash scripting for automation - Experience with Ansible for deployments - Experience...
$50.7k - $91.65k
...be located at one of our customer sites in Bethesda, MD; Reston, VA; or Joint Base Anacostia-Bolling, DC. We are seeking a Systems Administrator. Your job will be to bring together systems administration, systems maintenance, and systems performance optimization. As an...InternshipRemote work- ...Cloud Systems Administrator Seeking an experienced Cloud Systems Administrator to join our SITE III Directorate Operations (DO) team supporting the U.S. Intelligence Community. Your efforts will ensure robust, reliable intelligence collection and dissemination, supporting...Full timeFlexible hoursWeekend work
- ...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,...
- ...Linux System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing...Temporary workFor contractorsImmediate startFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!
- server administrator Herndon, VA
- IT administrator Herndon, VA
- systems administrator Herndon, VA
- enterprise administrator Herndon, VA
- computer systems administrator Herndon, VA
- system admin Herndon, VA
- application system administrator Herndon, VA
- IT infrastructure administrator Herndon, VA
- security systems administrator
- lab systems administrator


