Senior Systems Administrator (TS/SCI)
$112k - $179kPeraton
About The Role
Peraton has an exciting opportunity for an experienced Senio r Systems Administrator to provide system engineering, application and hardware support working with a Peraton Federal Customer in Annapolis Junction, MD. This on-site position offers the right candidate the chance to contribute to important work in support of our country.
The right candidate will hold an active TS/SCI clearance , with the ability to obtain a polygraph if one is not currently held.
Work Location: Annapolis Junction, MD; onsite 5 days a week.
What you will do:
- Provide systems administration, engineering, application, and hardware support for mission-critical federal systems.
- Proactively monitor software and hardware platforms to maintain system health, performance, throughput, and availability.
- Troubleshoot complex system integration and data flow issues, identify disruptions, determine corrective actions, and restore system functionality and data integrity.
- Administer, configure, troubleshoot, and maintain Windows-based servers, workstations, and PCs, including operating systems, applications, hardware, and device drivers.
- Support the virtualization of IAFIS servers onto Microsoft Hyper-V, including high availability, failover, backup, and system recovery capabilities.
- Perform advanced Windows system administration, including services, scheduled tasks, security policies, firewall and port configurations, registry settings, disk management, and user/group administration.
- Manage network connectivity, domains, users and machines, drive mapping, file permissions and sharing, access controls, and Remote Desktop.
- Perform system upgrades, customizations, vulnerability patching, and ongoing maintenance of servers, workstations, and peripherals.
- Monitor and troubleshoot SQL Server databases, processes, logs, and Gordano email services, including POP/SMTP communication issues.
- Respond to customer support requests by investigating, resolving, communicating, and documenting technical issues through resolution.
- Support ad hoc reporting, planning, and technical research requests from the customer.
- Collaborate with customers and technical teams to maintain secure, reliable, and highly available systems in support of federal mission requirements.
Qualifications
Basic Qualifications:
- Bachelors degree and 8 years of experience, or a Masters degree and 6 years of experience, or an Associates degree and 10 years of experience, or a High School diploma/equivalent and 12 years of experience.
- US Citizenship required.
- Active TS/SCI security clearance required.
- Experience in technical support, network engineering, systems engineering, Windows software engineering, or a related technical field.
- Strong knowledge of Windows operating systems, including system configuration, troubleshooting, services, scheduled tasks, security policies, firewall and port configuration, registry, disk management, and administrative tools.
- Excellent customer support and troubleshooting skills, including the ability to identify problems, communicate clearly with customers, resolve issues in a timely manner, and document solutions.
- Strong understanding of system integration and data flow, including the ability to troubleshoot issues across multiple system components, identify disruptions, determine corrective actions, and restore system functionality and data integrity.
- Experience monitoring system health, performance, throughput, and log files to proactively identify and resolve issues.
- Basic networking and systems administration experience, including network connectivity, domain/machine/user administration, drive mapping, file sharing, and Remote Desktop.
- Experience diagnosing and repairing Windows-based PCs, including hardware replacement, operating system and application installation/configuration, and device driver troubleshooting.
- Familiarity with file and directory permissions, access controls, and Windows security configurations.
Preferred Qualifications
- Active Polygraph level clearance preferred.
- Experience with Cisco switches, firewalls, and firewall rules.
- Experience installing and configuring server operating systems and RAID.
- Experience with virtualization technologies, such as VMware or Hyper-V.
- Intermediate networking knowledge, including network topologies, communication protocols, and network layers.
- Training or experience with cloud platforms such as AWS or Microsoft Azure.
Details
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.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at
Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
$112k - $179k
ResponsibilitiesPeraton has an exciting opportunity for an experienced Senior Systems Administrator to provide system engineering, application and hardware... ...of our country. The right candidate will hold an active TS/SCI clearance, with the ability to obtain a polygraph if one...SeniorContract workRemote workShift work- ...Community! YOUR RESPONSIBILITIES: This position is for System Administrator support for development and production environments for a... ...troubleshooting issues as they arise. Requirements: · TS/SCI Clearance with polygraph · Experience with: o Linux (Centos...SuggestedFor contractorsRemote workFlexible hours
- ...~ Tuition assistance ~ Vision insurance ~ Wellness resources Position: System Administrator, Level II Location: Glen Burnie, MD Security Requirement: Active TS/SCI clearance with full scope polygraph Certification Requirement: Security+ We are...SuggestedWork experience placement
- ...protect our country from threats. Job Description Restore System Administrator Transform technology into opportunity as a Restore System... ...and system issues. Clearance & Certifications: Active TS/SCI with Polygraph. Must be 8570 compliant with a Security+...SuggestedWork at officeShift work
- ...System Administrator - TS/SCI in MD Position Description: CNF Technologies is seeking a System Administrator to support installing, configuring, troubleshooting, and maintaining server configurations to ensure confidentiality, integrity, and availability. This work...SuggestedFull time
$25k
...Job Description Job Description System Administrator - Network Management and Design - 10+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator with Linux and Windows Network Administration experience to join...Contract workTemporary workRemote workShift work$25k
...Job Description Job Description System Administrator - DevOps/AWS - 10+ yrs of Experience - TS/SCI with Poly Required Halogen Engineering Group is looking for a System Administrator who can provide support for implementation, troubleshooting and maintenance of...Contract workTemporary workRemote workShift work$25k
...Job Description Job Description System Administrator - Linux/RedHat/Splunk - 15+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator who will be responsible for providing support for a large-scale Linux...Contract workTemporary workRemote workShift work$154.05k - $278.48k
...exciting opportunity for a Sr. Database Administrator in our Intel Sector's Cyber & Analytics... ...POA&M) items.Collaborate with Information System Security Officers (ISSOs) to validate... ...as PL/SQL.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsExperience...SeniorFull timeImmediate startFlexible hours$135k - $216k
ResponsibilitiesAbout the Role: Peraton is seeking a Cloud System Administrator to support a mission-critical enterprise service delivering software... ...be substituted for the required bachelor’s degree.Active TS/SCI with polygraph is required.Security+ plus or comparable is...Contract workTemporary workShift work- ...protect our country from threats. Job Description Account Systems Administrator Transform technology into opportunity as a Account... ...Outlook, Word, Excel), Data Entry ● Security Clearance Level: TS/SCI w/Poly ● Preferred Skills: Ticketing System, Active...Work at officeMonday to FridayShift work
- ...VDI Windows Desktop Administrator Location: USA MD Annapolis Junction Full Part/Time: Full... ...(Software), Information Technology (IT) Systems, Technical Issues Experience: 3+ years of... ...technologies. Security clearance level: TS/SCI w/Poly US citizenship required Role...Permanent employmentFull timePart timeCasual workAfternoon shift
$25k
...Job Description Job Description System Administrator - Linux/VMware - 15+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator who can be a collaborative member of a small and mostly autonomous team. This...Contract workTemporary workLocal areaRemote workShift work- ...Northrop Grumman Mission Systems in the United States seeks a Principal Cyber Software Engineer (Level 0 CNO Analyst/Programmer) to design... ...The role requires a Bachelor's degree in CS/IS/Networking, TS/SCI w/Polygraph eligibility, and a willingness to travel up to 10%....Senior
$176k - $282k
ResponsibilitiesWe are seeking a Systems Engineer to support the analysis, design, integration... ...personnel, Government stakeholders, senior leadership, and executive audiences.#PeratonRoyalMove#AJCM#MDFSPQualifications... ...may be substituted for the degree.Active TS/SCI clearance with a current polygraph....SeniorContract workShift work- ...seeking a motivated, career-oriented, and customer-focused Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This... ...Security Clearance Requirement: ~ Current/Active TS/SCI with Full Scope Polygraph. Envision Innovative Solutions...Senior
$176k - $282k
...work on a product that stores, visualizes, and disseminates as a system source of record for ELINT collection. Provide the Intelligence... ...may be substituted for the bachelor’s degree requirement.Active TS/SCI security clearance with a current polygraph is required.Required...SeniorContract workShift work- ...seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers... ...Clearance Requirements: ~ Must have a current/active TS/SCI with Polygraph Physical Requirements: The...SeniorWork at office
$77.6k - $176k
Job Number: R0232223 System Administrator, Senior The Opportunity Your technical expertise makes the team hero, solving one problem after another... ...firewalls, Linux RPMs, networking configuration, and DNS TS/SCI clearance with a polygraph Bachelor's degree in a CS or...SeniorLocal area$168k - $250k
...augment protections for our customers systems. If you are looking to join a... ...team! Peterson is seeking a talented Senior Systems Administrator . Provides day to day systems administration... ...access to classified information; TS/SCI clearance with polygraph is required....Senior- We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education,... ...Schedule: Full-Time, Onsite Clearance Required: Active TS/SCI with Full Scope Polygraph Responsibilities Administer and...SeniorFull time
$140k - $185k
...augment protections for our customers systems. If you are looking to join a... ...team! Peterson is seeking a talented Senior Systems Administrator . Seeking an SA to provide support... ...for access to classified information; TS/SCI clearance with polygraph is required....Senior- ...Transform technology into opportunity as a Senior T est Engineer at GDIT. Shape what’s... ...unit testing, integration testing, system testing, and acceptance testing to identify... ...have: Security Clearance Level: Active TS/SCI with CI Poly Experience: 5+ years of software...Senior
- ...Job Description Job Description SECURITY CLEARANCE: TS/SCI with both Polygraphs is required POSITION: Senior Systems Administrator REQUISITION: KEY-SA3-03.080626 LOCATION: F t. Meade, Maryland JOB DESCRIPTION: (U) Provides support for implementation...Senior
$77.6k - $176k
Job Number: R0246277 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another... ...firewalls, Linux RPMs, networking configuration, and DNS TS/SCI clearance with a polygraph Bachelor’s degree in a CS or IT...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$105k
...someone like you to join our team at APL. The Threat Analytic Systems (QAI) Group is seeking talented team members who will help... ...Excellent written and verbal communication skills Hold an active TS/SCI security clearance. If selected, you will be subject to a...SeniorTemporary workWork experience placementRelocation packageFlexible hours$114k - $160k
...to Work 2026! Belay Technologies seeks a Mid-Level or Senior Level System Administrator (SA) to join our intel team. The selected individual will... ...Candidates are required to have the following skills: TS/SCI Clearance with polygraph Bachelor's Degree in System Engineering...SeniorFull timeContract workWork experience placementFlexible hours$92.3k - $166.85k
.... About the Opportunity Leidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting,... ...multiple opportunities Required Qualifications Clearance TS/SCI with Polygraph at the time of Application, to be considered...SeniorLocal areaImmediate start$105k
...someone like you to join our team at APL. The Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team... ...written and verbal communication skills Hold an active TS/SCI security clearance and can ultimately obtain a TS/SCI+poly level...SeniorTemporary workWork experience placementRelocation packageFlexible hours- ...environments. The role focuses on secure design in multi-cloud contexts, governance, and modernization initiatives for DoD-aligned systems. Active TS/SCI considerations apply, with preferred certifications strongly valued. The candidate will drive integration of security...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator (TS/SCI). Be the first to apply!
- enterprise administrator Annapolis Junction, MD
- system admin Annapolis Junction, MD
- IT infrastructure administrator Annapolis Junction, MD
- IT administrator Annapolis Junction, MD
- computer systems administrator Annapolis Junction, MD
- systems administrator Annapolis Junction, MD
- application system administrator Annapolis Junction, MD
- server administrator Annapolis Junction, MD
- remote systems administrator Annapolis Junction, MD
- hpc system administrator Annapolis Junction, MD




