Senior System Administrator (TTO11)
Que Technology Group
Que Technology Group, Inc., is seeking a Senior System Administrator to provide High Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities. Responsibilities 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 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 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 Linux, 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 Required Qualifications Bachelor of Science in technical discipline. Additional five years of experience may be considered in lieu of degree. At least ten (10) years of experience as a System Administrator in programs and contracts of similar scope, type and complexity. DoD 8570 IAT II level certification required. Security Clearance TS/SCI with polygraph required. Most recent polygraph in the last seven (7) years required.
BENEFITS
Competitive salary Company Medical/Dental/Vision plans – Company paid Short-term Disability, Long-term disability and Life Insurance – Company paid Business/ First Class travel upgrade for 7 hour or longer flights & company card will be provided for expenses Vacation / Personal days granted at 25 days per year Paid Federal Holidays – 11 days $5,000 Annual Professional Development Fund plus 40 paid hours if in class 401K with 6% company match; all contributions are immediately vested by Employee Employee will be paid a bonus of $10,000 per employee hired based on their referral Up to 3 paid Code Red days due to customer closure Que Technology Group, Inc., is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. #J-18808-Ljbffr Que Technology Group- ...Que Technology Group, Inc., is seeking a Senior System Administrator to provide High Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities. Responsibilities include, but are not limited to: Provide support for implementation...SeniorTemporary workImmediate start
$175k - $205k
...Envision Innovative Solutions is hiring a Principal Systems Administrator in Annapolis Junction, Maryland. This role involves supporting IT systems, managing operations, and providing technical assistance to users while ensuring system integrity and optimal performance...Senior- ...Senior System Administrator • Be a member of a system administration team responsible for the design, deployment, installation, configuration and maintenance of Linux/UNIX-based server systems and software. • Be able to learn quickly and work independently as well as...Senior
- ...to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the System Administrator, you'll get to be responsible for providing network management and systems administration support to maintain the Agency’s High...SeniorVisa sponsorshipWork visa
$168k - $250k
...information theft and augment protections for our customers systems. If you are looking to join a company that provides... ...consider joining our team! Peterson is seeking a talented Senior Systems Administrator . Provides day to day systems administration and support...Senior$70k
...sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...without dual citizenship. This role is remote. The Senior System Administrator provides senior‑level IT operations and ServiceNow...SeniorContract workRemote work$10k
...Description When You Love the Work You Do, Any Mission Is Possible Position: Senior System Administrator - CNO Capabilities ***(Active Clearance with a Polygraph is Required) We're on multiple contracts and have many opportunities. It is encouraged if applicants...SeniorExtra incomeWork at officeFlexible hours- ...Que Technology Group, Inc., is seeking Senior System Administrator to provide High Performance Computing (HPC) services in the form of enhanced HPC sustainment capabilities. These capabilities include Multi-vendor HPC servers, HPC clusters, and SPD servers....SeniorTemporary workImmediate start
$96.2k - $192.3k
Accenture Federal Services in Annapolis Junction, MD is looking for an experienced Systems Administrator. The ideal candidate will provide support for IT systems, manage infrastructure, and troubleshoot issues. A minimum of ten years of experience in similar roles as well...Senior$115k - $175k
...a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities: • Provides...SeniorHourly payContract workWork experience placement- A technology services provider is seeking a Senior System Administrator to deliver enhanced High Performance Computing services. This role involves troubleshooting and managing IT systems, ensuring optimal performance for various devices. The ideal candidate will have ten...Senior
- LVMH Group is seeking a Senior Systems Administrator for the Planning and Engineering Department in Maryland. The successful candidate will support the DC network, maintain production systems, and utilize their extensive knowledge in logistics processes. Key responsibilities...Senior
$170k - $175k
A leading technology consulting firm is seeking a Senior System Administrator with an active TS/SCI clearance and polygraph. The role involves implementing and maintaining IT systems, providing Tier 1 and Tier 2 support, and managing daily operations across various environments...Senior- A leading technology firm in Maryland seeks a Senior System Administrator to provide High Performance Computing services. The ideal candidate must have a Bachelor's degree in a technical discipline and at least 10 years of relevant experience. Responsibilities include IT...Senior
$122k - $253k
Nightwing is seeking a System Administrator in Annapolis, Maryland, with 15 years of experience in IT support. The role includes troubleshooting, optimization, and managing IT systems while providing user support and ensuring compliance with security standards. The ideal...Senior- Cornerstone Defense LLC is seeking an Expert System Administrator in Annapolis Junction, MD. Candidates must have an active TS/SCI clearance and a minimum of 15 years of experience in system administration. The role entails supporting the implementation and maintenance...Senior
$125k - $180k
...Modern Technology Solutions, Inc. (MTSI) is hiring a Senior Systems Administrator in Annapolis Junction, Maryland. Qualified candidates must be U.S. citizens with a TS/SCI clearance and Full Scope Polygraph. Responsibilities: *Provide support for implementation...SeniorFull timeContract workImmediate startWorldwideFlexible hours$190k - $210k
...Location: Annapolis Junction, Maryland Type: Contract Job #3710 Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview...SeniorContract workLocal area- Amentum is seeking a System Administrator 2 in Maryland to provide Tier 1 and Tier 2 support for PKI tools. This role involves troubleshooting, testing new releases, and ensuring compliance with DoD certifications. Ideal candidates should have a background in both Windows...Senior
- HRB is looking for a System Administrator III located in Annapolis Junction, MD. The role requires TS/SCI clearance and involves managing IT systems, providing day-to-day support, and optimizing system performance. Ideal candidates will have ten years of experience in...Senior
- Power3 Solutions is seeking a System Administrator III to provide support for the implementation and maintenance of IT systems. This role includes troubleshooting and managing infrastructure while ensuring optimal performance. The ideal candidate will have at least ten...Senior
$107k - $143k
...Senior System Administrator Job Locations US-TN-Arnold AFB Requisition Number 2026-24029 Category Information Technology Category Information Technology Overview Job Title: Senior System Administrator Location...SeniorFull timePart timeH1bLocal area$115k - $175k
Envision Innovative Solutions is looking for a motivated Senior Systems Administrator at Annapolis Junction, Maryland. This role involves managing IT infrastructure, troubleshooting systems, and ensuring the integrity of both UNIX and Windows operating systems. The ideal...Senior$100k
...sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...position, and receipt of authorization to proceed. The Senior Systems Administrator supports IT operations by designing, automating, testing,...SeniorContract workRemote work- A technology firm is seeking a Senior System Administrator to manage CNO capabilities and foster a high-performance operational IT environment. The ideal candidate must be a U.S. citizen with an active clearance and possess a Bachelor’s degree in a relevant field. This...Senior
- Power3 is looking for a System Administrator III in Annapolis Junction, MD. The candidate will provide support for implementation, troubleshooting, and maintenance of IT systems while managing system infrastructure. Responsibilities include Tier 1 and Tier 2 problem resolution...Senior
$172k - $210k
A technology services firm is seeking a Systems Administrator with extensive experience in Linux and Windows environments. Candidates must be US citizens with an active TS/SCI security clearance. Responsibilities include supporting users, documenting security processes,...Senior- ...A defense contracting firm is seeking an experienced Senior Systems Administrator to manage and secure SQL Server databases for the US Army. The ideal candidate will have a Master’s degree and at least 5 years of relevant experience, including a Security+ certification...Senior
- Senior Systems Administrator Location: On‑Site at Customer Location (Annapolis Junction, MD) Clearance Required: TS/SCI with Poly Are you ready to take your systems administration expertise to the next level and support mission‑critical operations? BigBear.ai is seeking...Senior
- Innovative Systems & Solutions | Full time - Onsite Senior System Administrator - FFPP-8802 Annapolis Junction, United States | Posted on 03/17/2026 Innovative Systems & Solutions (ISS) works with a wide spectrum of talent to establish an atmosphere that stimulates creativity...SeniorFull timeTemporary workLocal areaImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior System Administrator (TTO11). Be the first to apply!
- IT infrastructure administrator Annapolis, MD
- microsoft systems administrator Annapolis, MD
- systems administrator Annapolis, MD
- application system administrator Annapolis, MD
- system admin Annapolis, MD
- hpc system administrator Annapolis, MD
- enterprise administrator Annapolis, MD
- IT administrator Annapolis, MD
- junior systems administrator Annapolis, MD
- server administrator Annapolis, MD

