Systems Administrator
$98k - $163kGuidehouse
Job Family Systems Engineering Travel Required Up to 10% Clearance Required Active Top Secret (TS) We are seeking a reliable and skilled Systems Administrator to support enterprise IT operations and mission‑critical systems within secure federal environments. This role is responsible for managing servers, monitoring infrastructure, troubleshooting issues, and supporting hybrid cloud environments while ensuring systems remain secure, stable, and compliant with federal standards. The ideal candidate brings strong hands‑on experience with Windows and Linux administration, hybrid cloud fundamentals, and endpoint/server support across distributed environments. What You Will Do Administer, maintain, and support Windows Server and Linux systems across on‑premises and cloud‑connected environments. Monitor system performance, availability, and security posture using enterprise monitoring and logging tools. Assist with configuration, patching, updates, hardening, and vulnerability remediation for servers and core IT systems. Support identity, access management, and authentication services (Active Directory, Azure AD/Entra ID, Group Policy). Troubleshoot Tier 2/Tier 3 system issues related to performance, storage, networking, authentication, and application hosting. Assist with cloud‑based operations in AWS or Azure, including VM management, storage, IAM, and resource configuration. Manage backup/restore operations, disaster recovery testing, and system continuity processes. Maintain documentation including SOPs, configuration baselines, inventory, and system diagrams. Ensure systems align with federal security standards (STIGs, NIST 800‑53, RMF) and agency compliance requirements. Collaborate with network, cybersecurity, help desk, and cloud engineering teams to support mission objectives. What You Will Need Bachelor's degree or Additional FOUR (4) years' experience in lieu of degree. U.S. Citizenship An ACTIVE and MAINTAINED "TOP SECRET" Federal or DoD security clearance and ability to obtain SCI. Minimum of FIVE (5) years of experience in systems administration, IT operations, or enterprise infrastructure support Hands‑on experience administering Windows Server, basic Linux systems, virtualization platforms (VMware/Hyper‑V), and enterprise monitoring tools Familiarity with cloud environments (AWS or Azure) and hybrid IT operations Experience supporting secure, compliance‑driven, or federal environments Strong troubleshooting skills and the ability to work independently or as part of a technical team Strong communication, documentation, and customer service skills Nice to Have Certifications Security+ Network+ MCSA or MCSE AWS or Azure Administrator certifications (e.g., AZ‑104, AWS SysOps Administrator) Desired Additional Skills PowerShell, Bash, or Python scripting for automation and maintenance tasks Familiarity with SCCM/ConfigMgr, Intune, WSUS, or patch management platforms Knowledge of Zero Trust principles and secure configuration practices Experience with backup platforms, storage administration, or endpoint management Exposure to network fundamentals, firewalls, and basic cloud networking concepts The annual salary range for this position is $98,000.00-$163,000.00. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. What We Offer Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace. Benefits Include Medical, Rx, Dental & Vision Insurance Personal and Family Sick Time & Company Paid Holidays Parental Leave 401(k) Retirement Plan Group Term Life and Travel Assistance Voluntary Life and AD&D Insurance Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts Transit and Parking Commuter Benefits Short-Term & Long-Term Disability Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities Employee Referral Program Corporate Sponsored Events & Community Outreach Care.com annual membership Employee Assistance Program Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.) Position may be eligible for a discretionary variable incentive bonus About Guidehouse Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation. Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco. If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at View phone number on click.appcast.io or via email at View email address on click.appcast.io. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation. All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or View email address on click.appcast.io. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process. If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact View email address on click.appcast.io. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties. Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee. #J-18808-Ljbffr
- ..., 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...SuggestedFull timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...MANTECH is seeking a highly motivated and collaborative System Administrator to join our team in Laurel , MD . In this role, you will develop, maintain, and enhance complex and diverse software systems based upon documented requirements. Work individually or as...SuggestedWork at office
$62k - $141k
IT Systems AdministratorThe Opportunity:Are you looking for an opportunity to combine your technical skills with big picture thinking... ...a customer-focused engineering solution.As an IT Systems Administrator on our team, you’ll have the chance to shape the development and...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...SuggestedFlexible hoursWeekend work
$130k - $180k
Celestar, a B&A Company, is seeking a Database/Web System Administrator to support the Defense Advanced Research Projects Agency (DARPA) Program Security Services (PSS) task order. If interested and meet the qualifications, we encourage you to apply for this rewarding...SuggestedContract workLocal area$104.2k - $138.9k
...a hybrid role working on-site 3 days/week in Arlington VA area. Candidates must have a current TS/SCI clearance.The Senior System Administrator leads the administration, maintenance, security, and operational resilience of complex enterprise infrastructure supporting...Remote work3 days per week- ...Fort Meade, MDClearance Required: Top Secret/SCI with Active Full Scope PolygraphWe are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the Intelligence Community at Fort Meade, MD. This is an on-site...Temporary work
- Universal Technical Resource Services, Inc. (UTRS) is currently seeking a System Administrator to join our team! At UTRS, we enjoy the benefits of working in a collaborative environment of close-knit team members. As a company, we provide a wide range of leading-edge engineering...Casual workWork at officeRemote work
- ...coordinates the implementation of the approved course of action.- Coordinates and monitors troubleshooting to isolate and diagnose common system problems; documents system events to ensure continuous functioning. Recommends course of action and implements as approved.-...Work experience placement
- Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat... ...TrustExperience Required: 10 years’ experience in Systems Administration for software development projects utilizing Agile principlesEducation...
$110k - $140k
Hybrid in Washington, DCSalary - $110,000 - 140,000We are seeking a skilled and dependable Systems Administrator to join our team at the mid to senior level. This role carries direct responsibility for managing and maintaining enterprise Windows and Linux server infrastructure...$92.3k - $166.85k
...like an environment where you can thrive, keep reading! The MissionThe Leidos Digital Modernization Sector is seeking a GCCS-J Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. Primary Responsibilities: Lead, mentor, and manage...Full timeLocal areaImmediate startRemote workRelocation- ...certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS... ...the TTAC Infrastructure Modernization effort as a System Administrator (SA). The System Administrator is responsible for effective provisioning...Immediate startFlexible hoursWeekend work
$92.3k - $166.85k
Systems AdministratorLocation: Suitland, MDClearance: Active TS/SCILeidos is seeking a Systems Administrator to join our team in Suitland, MD, supporting Scientific and Technical Intelligence (S&TI) analysis at the Office of Naval Intelligence (ONI). In this role, you...Full timeWork experience placementWork at office$62k - $141k
Tier 2 System AdministratorThe Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? Your blend of...Full timeContract workPart timeWork at officeLocal areaRemote work$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...Full timeContract workPart timeWork at officeLocal areaRemote work$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...Full timeLocal area$62k - $141k
System Administrator, MidThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client?As a System Administrator...Full timeContract workPart timeWork at officeLocal areaRemote work$73.45k - $132.78k
Leidos has a new and exciting opportunity for a Systems Administrator in our INTEL SECTOR- Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours$77.6k - $176k
System AdministratorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you... ...the Department of Defense? We’re looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions...Full timeContract workPart timeWork at officeLocal areaRemote work- ...be responsible for maintaining compliance, securing operating systems, and executing patch management across Windows and Linux... ...Develop scripts using PowerShell, Perl, VBScript, or similar administrative languages.Collaborate with customers and technical teams to define...Full time
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?...Full timeContract workPart timeWork at officeLocal areaRemote work- ...positioning us as one of a handful of elite companies to receive the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining enterprise IT systems within a Department of Homeland Security (DHS)...Full timeContract work
$80k - $95k
...Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review and...Contract workWork experience placementWork at officeLocal area1 day per week- ...IT Systems AdministratorUSADF has a need for an IT Systems Administrator in the Office of the Information Technology (Client)/Finance and Administration to support the agency's IT operations, infrastructure and security operations.Truncated Requirements (Duties include...Permanent employmentWork at office
- Systems Administrator - (Active TS/SCI security clearance with a current polygraph ) College Park, United States | Posted on 08/20/2026 Fifteen (15) years of experience as an SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree...
$77.8k - $121.5k
...parental rights. Review our Statement of Faith to ensure we’re a fit for you. Locations: Washington, D.C. Team Overview As the Systems Administrator, you will be responsible for installing, configuring, maintaining, and ensuring the reliable operation of the organization’s...Permanent employmentTemporary workWork at office- ...A leading cloud solutions provider in Washington, DC is seeking an AWS Systems Administrator to manage and deploy AWS services. This position requires US citizenship, an active Top-Secret security clearance, and at least six years of IT experience including substantial...Flexible hours
- ...delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy. Description Title: System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI...Full timeWork experience placementWork at officeFlexible hoursDay shiftAfternoon shift
- ...Systems AdministratorGES is seeking a Systems Administrator to support secure system operations within a high-visibility Pentagon environment.Key ResponsibilitiesInstall, configure, and maintain servers and network systemsManage Active Directory, DNS, DHCP, and virtualization...
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