System Administrator III TS/SCI POLY
$161.8k - $212.3kBCT LLC
Job Description
Job Description
A career at BCT LLC means being part of something bigger than yourself. Our success comes from the dedication of our people and their commitment to delivering meaningful solutions for our customers and their missions. If you’re looking for a supportive, team-oriented workplace where collaboration and shared success matter, we invite you to explore a career with BCT LLC.
About the job:
BCT LLC is seeking a System Administrator III to join our team. The ideal candidate must possess an active TS/SCI with POLY and be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system security integrity and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
In addition, you will have:
Provide support for implementation, troubleshooting and maintenance of IT systems
Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
Manage the daily activities of configuration and operation of IT systems
Provide assistance to users in accessing and using IT systems
Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Provide support for the escalation and communication of status to agency management and internal customers
Optimize system operations and resource utilization, and perform system capacity analysis and planning
Provide in-depth experience in trouble-shooting IT systems
Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
Provide support for the dispatch system and hardware problems and remains involved in the resolution process
Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
Support the design of systems, mission architecture and associated hardware
Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
Analyze and resolve complex problems associated with server hardware, applications and software integration
Position Required Skills
Experience using the Linux CLI
Experience developing scripts using Bash/Python
Experience in performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment
General technical knowledge regarding compute, network, memory, and storage system components
Experience with Red Hat Satellite systems management solution
Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data
Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution
Experience configuring and sustaining VMware ESXi/Virtualization environments
Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible
Experience with corporate STE/STN security compliance policies and procedures
Experience using system monitoring tools such as HPE One View and Nagios
Experience with containerization technologies such as Docker
Position Desired Skills
Experience with container orchestration technologies such as Kubernetes
Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS
Experience with the Atlassian Suite of Tools such as Jira and Confluence
Required Certification:
Security +
Required Education:
Fifteen (15) years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Systems Administration experience may be substituted for a bachelor's degree.
Salary Range: $161,800-212,300
The above salary range represents a general guideline; however, BCT-LLC considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions .
What We Offer
Competitive 401(k) Plan with Matching Contributions
Independent 401(k) and Investment Advisory Services
Health Coverage with Employer Funded Health Savings Account (HSA)
Dental/Vision
Competitive PTO & Federal Holiday package
Life/AD&D/Disability Coverage paid 100% by BCT
Generous Employee Referral Program
Tuition/Training Reimbursement
Wellness Membership Program
Box Seats to Orioles Games
Pet Adoption Program
Several Scholarship Opportunities available to BCT family members/dependents
Our Story
Founded in 2006, BCT LLC is a small business built on a strong foundation of core values: Humility, Respect, Integrity, Loyalty, Kindness, Gratitude, Innovation, and Initiative. These principles guide everything we do and drive our commitment to delivering exceptional service to every customer.
Headquartered in Annapolis Junction, Maryland, BCT proudly supports clients throughout the DMV region and beyond. With more than 70 years of combined experience supporting National Security missions, our leadership brings deep expertise, insight, and dedication to the work we do. At BCT, our employees are at the heart of our success. Team members benefit from a highly supportive, hands-on home-office staff and leadership that is genuinely invested in their growth, well-being, and long-term success. Simply put, BCT delivers the small-business experience unlike any other—come see the difference.
BCT LLC is proud to be an Equal Opportunity Employer. All facets of employment, including the decision to hire, promote, discipline, or discharge, will be based solely on merit & business need. Candidates and Employees will never be subject to discrimination on the basis of race, color, religion, age, genetic information, or any other status protected under federal, state, or local law.
- BCT LLC is seeking a System Administrator III to join our team in Maryland. The ideal candidate must be TS/SCI with poly and will provide support for a large-scale Linux system including software installation, day-to-day operations, monitoring, and problem resolution across...Suggested
$135k - $216k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise... ...vulnerabilities in response to IAVAs, ensuring systems remain compliant with security... ...may be substituted for a BS.An active TS/SCI w/Poly is required.3-5 years of combined experience...SuggestedContract workRemote workShift work$176k - $282k
ResponsibilitiesThe Systems Engineer -Splunk Administrator will support a critical mission of consequence within... ...planning and leading SystemsActive TS/SCI security clearance with current polygraph... ...6326Position Category: Information TechnologyClearance: Top Secret/SCI w/PolySuggestedContract workFor contractorsShift work$112k - $179k
ResponsibilitiesCloud Systems Administrator 2 Annapolis Junction, MD At Peraton, we deliver trusted,... ...disciplines will be considered Active TS/SCI clearance with current Polygraph is required... ...026-165511Position Category: Information TechnologyClearance: Top Secret/SCI w/PolySuggestedContract workShift work$104k - $166k
ResponsibilitiesThe team is seeking a Linux Systems Administrator / Systems Engineer with experience... ...Service Certification is desired.Active TS/SCI with current polygraph requiredPeraton... ...026-169142Position Category: Information TechnologyClearance: Top Secret/SCI w/PolySuggestedContract workShift work- ...Job Description Job Description System Administrator - Nessus/Trellix - 5+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering is looking for a Records Management Systems Administrator who will be part of a team and will provide support required to...Contract workRemote workShift work
- ...~ Wellness resources Position: System Administrator, Level II Location: Glen Burnie, MD Security Requirement: Active TS/SCI clearance with full scope polygraph Certification... .... An Active TS/SCI with full scope poly and Security+ certifications are required...Work experience placement
$119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE partner/customer office.Who We Are:Hewlett Packard Enterprise is the global...Full timeWork experience placementWork at office$25k
...Job Description Job Description System Administrator - Records Management - 5+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering is looking for a Records Management Systems Administrator, you will provide system administration solutions to meet required...Contract workTemporary workRemote workShift work- ...Description Job Description Our work depends on a Systems Engineer joining our team to support Government... ...VMware VDI architecture. Must possess an Active TS/SCI and willingness to obtain and maintain a CI Poly Benefits Essential Network Security (ENS) Solutions...Temporary workWork at officeRelocation package
$48.51 - $84.9 per hour
...s possible.Job Description:Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue... ...of applications, processes the system supports.Active TS/SCI with poly clearanceDesired Qualifications:DoD 8570 IAT II compliant...Full timeWork experience placementFlexible hours$87.1k - $157.45k
Leidos has a new and exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented... ...at least once per month.Clearance Required: Must have TS/SCI with Polygraph.Preferred Qualifications:Experience or familiarity...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours- ...Job Description Our work depends on an Infoblox Systems Engineer joining our team to support Government activities... ...communication skills Must have an Active TS/SCI with a willingness to obtain and maintain a CI Poly. Benefits Essential Network Security (ENS)...Temporary workRelocation package
- ...invite you to explore a career with BCT LLC. About the job: BCT LLC is seeking a Systems Engineer 5 to join our team. The ideal candidate must possess an active TS/SCI with POLY and have experience with Defense Acquisition Systems, DoDAF or FEAF, Technical skills...Local areaHome office
$25k
...Engineer - HPC - 10+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering... ...of the HPC software stack and related system issues. This candidate will be developing... ...sustainment support. Basic Linux system administration skills and shell scripting. Execute...Full timeContract workRemote workShift work- ...Description Test Engineer – Linux/Bash - 8+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering Group is looking for a Test... ...to newer platforms. This candidate will analyze system requirements and concept of operations documents, acquisition...Contract workRemote workShift work
- ...design, implement, and sustain complex enterprise networks in a TS/SCI with MD poly environment. Based at Fort Meade, you will lead WAN/CAN/DCN initiatives, optimize dataflow, and coordinate with system engineers to deliver secure, scalable network solutions. You will...
- ...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...For contractorsRemote workFlexible hours
- ...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+...Work at officeShift work
- ...threats. Job Description Next Generation Desktop (NGDE) Systems Administrator YOUR IMPACT Own your opportunity to support national... ...IT experience in lieu of a degree. CLEARANCE: Active TS/SCI clearance with a favorable polygraph Meet DoD 8140...Remote work
$112k - $179k
Responsibilities Systems Engineer | Location: RemoteActive TS/SCI with polygraph required - this position supports a high-priority mission with immediate... ...protected by law. Job SummaryRequisition ID: 2026-165815Position Category: EngineeringClearance: Top Secret/SCI w/PolyContract workImmediate startShift work$135k - $216k
ResponsibilitiesPeraton is seeking a Systems Engineer to support our Cyber Mission business... ...Qualifications:Active TS/SCI clearance with current polygraph is required... ...ID: 2026-168598Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workFor contractorsFlexible hoursShift work- ...Job Description DESKTOP APPLICATION PACKAGING & DEPLOYMENT SYSTEMS ADMINISTRATOR YOUR IMPACT Own your opportunity to support national... ...requirements (e.g. Security+ CE, etc.) CLEARANCE: Active TS/SCI clearance with a favorable polygraph Hands-on experience...
$176k - $282k
...mission objectives. You will serve as both a Systems Engineering lead and Scrum Master,... ...as well as end-to-end flow analysisActive TS/SCI clearance with polygraph clearance required... ...ID: 2026-168638Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$190k - $304k
ResponsibilitiesPeraton is seeking a Senior Systems Engineer to support a large analytic... ..., type and complexity is required Active TS/SCI security clearance with a current polygraph... ...ID: 2026-167039Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work- ...driven environments? Peraton is seeking a talented and skilled System Administrator to join our Cyber Intelligence team in Laurel, MD. As part... ...planning Qualifications Basic Qualifications: An Active TS/SCI clearance with polygraph is required Five (5) years experience...
$102k - $138k
...Able to Obtain: Top Secret SCI + Polygraph Public Trust/... ...Information Technology (IT) Systems,Technical Issues Certifications... ...: VDI WINDOWS DESKTOP ADMINISTRATOR Deliver simple solutions... ...? Security clearance level: TS/SCI w/Poly ? US citizenship required...Permanent employmentTemporary workCasual workImmediate startWorldwideFlexible hoursAfternoon shift$103.7k - $129.5k
...invite you to explore a career with BCT LLC. About the job: BCT LLC is seeking a System Administrator I to join our team. The ideal candidate must possess an active TS/SCI with POLY. As an Enterprise Infrastructure Support Systems Administrator, you will provide...Local areaHome office$148.3k - $266.9k
...Description:Parsons is looking for a talented and fully cleared Systems Administrator to join our growing team! This role is supporting a highly... ...levelsWhat Required Skills You'll Bring:Active TS/SCI with Poly10+ years of experience, with additional education...Full timeFlexible hours$104k - $166k
Database Administrator - AI/ML TS/SCI w Poly Job Location: Laurel, MD (US-MD-Laurel) Job Description Are you passionate about building cutting‑edge... ...software life‑cycle activities to ensure highest level of system performance and availability Support data modeling...Contract workShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Administrator III TS/SCI POLY. Be the first to apply!
- microsoft systems administrator Annapolis Junction, MD
- remote systems administrator Annapolis Junction, MD
- application system administrator Annapolis Junction, MD
- IT administrator Annapolis Junction, MD
- systems administrator Annapolis Junction, MD
- computer systems administrator Annapolis Junction, MD
- enterprise administrator Annapolis Junction, MD
- system admin Annapolis Junction, MD
- hpc system administrator Annapolis Junction, MD
- server administrator Annapolis Junction, MD



