System Administrator Junior - Secret Clearance
$50k - $79kDunhill Professional Search & Government Solutions
The Junior System Administrator supports the daily operation and maintenance of enterprise IT systems to ensure availability, performance, and security in a mission ‑ critical environment. The role focuses on hands ‑ on administration of operating systems, user accounts, configurations, and core infrastructure services across remote federal client environments. This junior position builds foundational expertise in system administration, monitoring, patching, backup and recovery, and automation using scripting tools under the guidance of more senior staff. Key Responsibilities Administer operating systems, user accounts, permissions, and system configurations in line with established operational policies and security standards. Perform routine system monitoring, log analysis, and health checks to maintain performance, availability, and capacity across enterprise environments. Apply patches, updates, and security configurations to servers and applications to maintain compliance with federal and enterprise cyber standards. Configure and manage backup and recovery solutions, verify successful execution, and support data restoration activities as needed. Troubleshoot server, application, and infrastructure issues, escalating complex incidents while working collaboratively toward timely resolution. Use scripting tools (e.g., PowerShell, Bash) to automate routine administrative tasks, reduce manual effort, and improve consistency in system operations. Support virtualization and cloud ‑ based environments as applicable, including basic administration of virtual machines and cloud resources. Maintain accurate system documentation and operational procedures, including configuration baselines, runbooks, and change records. Participate in on ‑ call rotations and continuous monitoring activities to support 24/7 platform availability in a mission ‑ critical environment. Required Qualifications Bachelor’s degree in IT, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or a closely related field; or equivalent relevant experience. Approximately 0-3 years of experience in information technology, systems administration, or IT operations, with foundational knowledge of enterprise system administration and automation. Strong knowledge of Microsoft operating systems and products (e.g., Windows, Windows Server, Office 365, SharePoint, Teams). Ability to analyze, troubleshoot, and resolve routine system hardware, software, or networking issues with minimal supervision. Must meet DoD 8140 requirements for system administration roles and hold an active Secret clearance. U.S. citizenship required per federal contract requirements. Preferred Qualifications CompTIA Security+ or equivalent baseline security certification. Familiarity with virtualization platforms (e.g., VMware) and exposure to cloud services (e.g., AWS, Azure). Experience with scripting to automate administrative tasks and interest in expanding automation skills. Prior experience in federal or mission ‑ critical enterprise IT environments. $50,000-$79,000
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- J-18808-Ljbffr Dunhill Professional Search & Government Solutions
- ...Junior System AdministratorThe Junior System Administrator supports the daily operation and maintenance of enterprise IT systems to ensure availability, performance... ...system administration roles and hold an active Secret clearance.U.S. citizenship required per federal contract...Secret clearanceJuniorContract workWork at officeRemote work
- ...ASP Web Solutions is searching for a fulltime remote System Administrator Jr. to support an Air Force Medical Command (AFMEDCOM) requirement... ...zone. This position is contingent upon contract award. SECRET Clearance Eligibility Required. This position performs the...Secret clearanceJuniorFull timeContract workLocal areaRemote workMonday to Friday
$101.36k - $109.67k
...years of relevant experience.CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required... ....Administer Red Hat Linux systems and troubleshoot database and... ...and Red Hat Linux command line administration.Strong troubleshooting skills...Secret clearanceFlexible hours- ...Job Description Now Hiring: AppDynamics Administrator / Systems Administrator Support mission‑critical Commercial and Federal Healthcare... ...Experience supporting federal or healthcare environments Current or recent DoD Clearance Active Secret Clearance #J-18808-Ljbffr...Secret clearanceImmediate start
- Alpha Omega integrates complex IT systems in San Antonio, TX. The Systems Administrator II will maintain enterprise servers, manage AD users, and support... ...‑driven setting. This role requires active Secret clearance, experience with patching, GPOs, Azure AD, and incident...Secret clearance
- Digital Consultants is seeking an MECM (formerly SCCM) System Administrator to support software deployment, patch management, OS deployment... ...5+ years as a Systems Administrator, 8+ years MECM/SCCM, an active Secret clearance, and DoD #J-18808-Ljbffr Digital Consultants LLCSecret clearance
- ...year of accounting or finance experience, exposure to financial systems or reconciliations, and the ability to operate in a client-... .... This role requires U.S. Citizenship and an active DoD Secret clearance. Must be able to work a hybrid work schedule onsite at Fort Sam...Secret clearanceJuniorInternship
- Dunhill Professional Search & Government Solutions in San Antonio, TX, is seeking a Junior System Administrator to support the daily operation and maintenance of enterprise IT systems in a mission-critical environment. You will perform hands-on administration of Windows...Junior
- ...System AdministratorThe Digital Modernization Sector within Apriva is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of... ...considered in lieu of degree.Active DoD SECRET clearance.Dod-8570 IAT Level 2 certification (...Secret clearanceShift workNight shift
- Global Communications Services seeks a Senior Systems Administrator to provide operations support for Windows and Solaris systems across... ...IAT II certification, DoD 8570.01 familiarity, an active Secret clearance, and at least five years in AD, backups, and server administration...Secret clearance
$88.4k - $119.6k
...Join to apply for the Mid-Level Systems Administrator role at Boeing Join to apply for the Mid-Level Systems Administrator role at Boeing... ...Qualifications (Desired Skills/Experience): Active Top Secret clearance or higher 5+ years of experience with Information Technology...Secret clearancePermanent employmentFull timeInterim roleRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$70k - $109.97k
Description Job Title: Systems Administrator II Clearance Required: Secret Work Location: Onsite, San Antonio, TX Key Responsibilities: Maintain and troubleshoot enterprise level products and services, including hardware (servers) firmware, and software...Secret clearanceContract workWork experience placementRemote workFlexible hours- ASP Web Solutions is seeking a junior System Administrator for a remote role supporting the Air Force Medical Command's DMLSS/LogiCole environments... ...., local time. Employment contingent on contract award. SECRET clearance eligibility is required. Responsibilities include hands-...Secret clearanceRemote jobContract workLocal areaMonday to Friday
- ASP Web Solutions is seeking a Senior System Administrator for a remote role to support an Air Force Medical Command (AFMEDCOM) requirement... ...zone. The position is contingent upon contract award. SECRET Clearance Eligibility is required. Responsibilities include hands-on...Secret clearanceRemote jobContract workLocal area
$75k - $113.79k
Description Job Title: Systems Administrator III Clearance Required: Secret Work Location: Onsite, San Antonio, TX Key Responsibilities: Analyze, validate, implement, maintain, and configure current services and tools (examples include Active Directory...Secret clearanceContract workWork experience placementFlexible hours- Empower AI in San Antonio seeks a Site Systems Administrator to deliver on-site IT services for the Department of State. You will manage... ...backups, and coordinate upgrades across the enterprise. A Secret clearance is required along with 5+ years’ experience and a BS in...Secret clearance
- Intermedia System Administrator (Kubernetes/Cloud Infrastructure) Full Time, San Antonio, TX OR Ft. Meade, MD Secret Clearance with TS/SCI eligibility Overview Semper Valens is seeking an experienced Systems Administrator with strong Kubernetes experience to help design...Secret clearanceFull time
- ...Information Operations/Cyber Specialist (Junior) Location San Antonio, TX Job... ...will analyze and assess communications systems to include computer, land mobile radio,... ...Protection Assessment experience ICW P2MR2 Secret clearance 3+ years experience Travel 25% About...Secret clearanceJuniorContract workLocal areaRemote work
- Overview System Administrator Full Time Remote Top Secret/SCI Clearance This position is contingent upon contract award Job Description Job Responsibilities: Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills...Secret clearanceFull timeContract workRemote work
- ...service-disabled veteran owned small business is seeking a System Administrator for a full-time remote position. The role requires over 1... ...security compliance. This position requires a Top Secret/SCI clearance and is contingent upon contract award. #J-18808-Ljbffr Semper...Secret clearanceRemote jobFull timeContract work
- ...information Job Posting Title Senior AWS Cloud Systems Operations Administrator Date Friday, August 21, 2026 City San... ...This position is on-site and requires an active Top Secret with SCI Clearance. Maximus TCS (Technology and Consulting Services)...Secret clearanceMinimum wageFull timeContract workTemporary workWork experience placementCurrently hiring
$95k - $120k
...- we train you U.S. citizenship required. Already hold a Secret or Top Secret clearance? You're at the front of the line Why this role, why now FDE... ..., Application Developer, Software Consultant, or Systems Integration Engineer - you already have the foundation. We...Secret clearanceJuniorFull timeRelocation$86.45k
Site System Administrator Location: US-TX-San Antonio Job type: Regular Full-Time Category: IT: Administrator / Analyst / Architect... ...: 5+ years Bachelor's in IT or related field Secret Security Clearance PREFERRED REQUIREMENTS: Comp TIA Sec+, ITIL 4 Foundation...Secret clearanceFull timeFor contractorsWork at office- OverviewAbacus Technology is seeking a Network Administrator to provide WAN infrastructure support... ...or physical lab environments.Monitor system utilization and circuit bandwidth and... ...a US Citizen and hold a current Top Secret clearance with SCI access (TS/SCI).Applicants...Secret clearanceFull time
- ...Job Description Senior AWS Cloud Systems Operations AdministratorFull Time Remote... ...San Antonio-based individuals preferred)Secret clearance w/ TS/ SCI eligibility Job Responsibilities... ...experience. Ten (10) years IT systems administrative experience with both Microsoft and...Secret clearanceRemote work
- ASP Web Solutions is seeking a Jr. System Administrator for remote support of Air Force DMLSS/LogiCole environments. The role requires SECRET clearance eligibility and follows a Monday-Friday schedule in the employee's local time zone. Position is remote and contingent...Secret clearanceRemote jobContract workLocal areaMonday to Friday
$100k - $105k
...DLS Engineering is seeking a Network Administrator III (WAN) professional for a full-time... ...or physical lab environments. Monitor system utilization and circuit bandwidth then... ...certification (required) Active Top Secret/SCI clearance. Other information: We offer a competitive...Secret clearanceFull time- A leading consulting firm is seeking Network Administrators and Network Engineers based in San Antonio, TX. The roles offer opportunities... ...those with various experience levels, requiring at least a Secret clearance. Network Administrators will provide support on military...Secret clearanceFull time
- A staffing agency is seeking Network Administrators to support a military base. The role involves... ...analyzing network traffic, monitoring system utilization, and developing automation... .... Candidates must have an active secret clearance and extensive experience in network...Secret clearanceContract work
- ...environment. You will install and maintain servers, switches, workstations, and DoS applications, monitor security patches, enforce AD controls, and support backups and restorations. A Secret clearance and 2+ years of SA/IT experience are required. #J-18808-Ljbffr Empower AISecret clearance
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