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
$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$120.8k - $265.8k
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...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$135k - $174k
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- A technology-focused defense contractor in Annapolis Junction, MD is seeking a System Administrator II with TS/SCI clearance. This role encompasses responsibility for implementation, troubleshooting, and maintenance of IT systems, including providing essential Tier 1 and...SeniorFor contractors
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$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- 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
$10k
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 don’t meet all...SeniorExtra incomeWork at officeFlexible hours- Overview 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. Responsibilities...SeniorTemporary workImmediate start
$190k - $210k
Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K Clearance: Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities...Senior$135k - $174k
System Administrator, Mission Compute Infrastructure At Intelliforce, we support mission environments where performance, reliability, and speed are not optional. In this role, you will help sustain and evolve a high‑performance operational IT environment supporting CNO...SeniorContract workWork at officeImmediate startRelocationVisa sponsorshipFlexible hours- Description Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting... ...keeps modern life moving. Responsibilities Serve as the senior system administrator with extensive experience supporting Windows‑based...SeniorTemporary workFlexible hours
- Innovative Systems & Solutions | Full time - Onsite Senior System Administrator - FFNN-8807 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
$137k - $169k
...RESPONSIBILITIES Monitors and manages system resources, including CPU usage, disk usage... ...efficiency. Performs system security administration functions, including creating user profiles... .... Overview We are seeking a Senior Systems Administrator to join our Task Order...SeniorFull timeContract workTemporary workLocal areaShift work$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier 3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area$170k - $250k
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...adventure begins now-unleash your potential with MANTECH! MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global...SeniorHourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work- 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
$175k - $225k
...on bringing innovative solutions to the difficult mission problems facing our customers. Description The System Administrator provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system...SeniorHourly payExtra incomeTemporary workImmediate startFlexible hours
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