Systems Administrator III
$140k - $175kTAP Engineering LLC
Systems Administrator TAP Engineering is seeking a Systems Administrator to support leading-edge research and engineering. The Systems Administrator provides advanced technical support, systems administration, troubleshooting, and problem resolution across enterprise IT environments. This role supports the availability, reliability, and performance of mission-critical systems and infrastructure while working closely with agency management, internal customers, and technical teams to resolve complex issues. Key Responsibilities Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support, including troubleshooting, diagnosis, resolution, and escalation of IT issues Support the implementation, configuration, maintenance, and daily operation of client, server, storage, network, and mobile devices Manage system configurations and daily operational activities Assist in escalating issues and communicating status to agency management and internal customers Analyze escalated tickets and provide technical recommendations and feedback to agency management and internal customers Configure, administer, and maintain UNIX, Windows, and other operating systems Apply knowledge of system administration interdependencies within Service-Oriented Architecture (SOA) environments Required Qualifications Active TS/SCI clearance with appropriate polygraph Bachelor's degree in a related discipline with 15+ years of related experience, or 20+ years of related experience in lieu of a degree Ability to work effectively with cross-functional teams Preferred Qualifications Experience supporting laboratory, research, or technical environments Strong documentation, communication, and organizational skills Compensation The anticipated salary range for this position is $140,000–$175,000, based on relevant experience, qualifications, and other applicable factors. The compensation range provided is a general guideline and is not a guarantee of compensation or salary. Clearance Requirement This position requires an active TS/SCI security clearance with appropriate polygraph. Clearance processing and maintenance will be conducted in accordance with U.S. Government requirements. Benefits Overview Paid Time Off: 15–25 days annually based on tenure, plus 11 paid holidays (never use-or-lose) Retirement: Up to 15% employer contribution to a 401(k) through match and profit sharing Medical Coverage: Free medical insurance for employees, with optional buy-up plans for dependents Dental & Vision: Employer-paid plans with optional enhancements Insurance Coverage: Employer-paid life insurance, AD&D, short-term disability, and long-term disability Flexible Spending Accounts: Healthcare and dependent care FSAs Tuition Reimbursement: Up to $36,000 per year for approved coursework Additional Benefits: Employee Assistance Program, wellness incentives, discount programs, virtual care, prescription savings, and travel support Performance-Based Rewards: Merit increases, performance bonuses, and referral bonuses Additional Information TAP Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other status protected by law. TAP Engineering LLC
- ...maintaining compliance, securing operating systems, and executing patch management across... ...PowerShell, Perl, VBScript, or similar administrative languages.Collaborate with customers and... ...information technology.IAT or IAM Level III Certification (CASP, CCNP, CISA, CISM, CISSP...SuggestedFull time
- ...Job Description Job Description \n Title: Systems Administrator III (Senior Windows Systems Engineer) \n Req ID (TSR #): SAIJP00039147 \n Client / Program: FTC — TO4 (prime: Leidos) \n Location: Client Site — Washington, DC — Hybrid, 2 days/week flexible...SuggestedFixed term contractCasual workImmediate startRemote workMonday to FridayFlexible hours2 days per week
$160.8k - $212.3k
System Administrator III 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...SuggestedLocal areaHome office$94.1k - $141.1k
The Systems Administrator provides technical system administration and operations. This role maintains enterprise network infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and...SuggestedWork experience placementDay shift- ...Job Description Job Description Linux System Administrator III Omega Enterprise Solutions is a Maryland-based, Service-Disabled Veteran-Owned Small Business (SDVOSB) with a special focus on the U.S. Department of Defense (DoD) and Intelligence Community (IC) mission...Suggested
- The Systems Administrator provides technical system administration and operations. This role maintains enterprise network infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and...
- ...ProSync's mission to "Define and Redefine the State of Possible,” please apply today!ProSync is seeking a System Engineer with strong experience in system administration, automation, security compliance, and enterprise infrastructure support. The engineer will work on a...Contract workFlexible hours
$103k - $147k
FALCATA is seeking a full-time, on-site System Administrator (SA) to work as part of a team managing multiple Information Systems (IS) in accordance with DoD/Risk Management Framework (RMF) policies. This position is ideal for a passionate IT professional who wants to...Full timeFor contractorsFor subcontractorFlexible hours- System Administrator (Level 2) Reflexive Concepts is seeking a skilled System Administrator to support mission operations sustainment — monitoring, troubleshooting, and maintaining Linux-based high-performance computing systems on a high-impact national security mission...
- ...ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST... ...Partner Company Labor Category - Full Stack Developer II or III IT108 Mid Level Professional aligned under services related...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...Systems Engineer – Level III Analyzes functional business requirements and design specifications for functional activities. Should provide identification/fixing for the problems within existing systems design/implementation of new systems, enhances the existing systems...Work at office
$175k - $185k
...Systems Engineer IIIQuantum Sky is searching for a Systems Engineer III to join a team of expert engineers and technicians supporting a mission critical high profile government customer. The Unified Communication (UC) Systems Engineer incorporates a systems engineer approach...For contractors$94.2k - $120k
...The Systems Engineer III will support integration and interoperability among endpoint, identity, security and infrastructure platforms.... ...up to date. Performs implementations and system administration-related tasks. Generates project schedules and creates metrics...Full timeTemporary workFor contractorsWork at officeImmediate start- ...Systems Engineer – Level III Analyzes functional business requirements and design specifications for functional activities. Should provide... ...Essential Job Functions/Qualifications: Java container Administration - Preferably Web Logic or tomcat variant. Performing...
$180k - $200k
...Job Description Job Description A&M Technologies, Inc is seeking an experienced Systems Administrator III to support a federal Operations & Maintenance (O&M) program. This individual will serve as a senior member of the infrastructure team responsible for maintaining...Contract workTemporary workImmediate startFlexible hours$172k - $207k
As Sr. Systems Engineer III (6706), you’ll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration. Define technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design, and...Full timeLocal area- Oceaneering International Inc. in Suitland, MD is seeking a Systems Administrator to maintain enterprise network infrastructure, manage configurations, ensure availability, performance, capacity and patching across on-prem and virtual environments. The role also involves...
- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...Flexible hoursWeekend work
- We anticipate future opportunities for a Model-Based Systems Engineer III who wants to grow with the Company and join our team in Washington, DC.ICI Services is a 100% Employee-Owned small business celebrating our 25th year delivering superior products and responsive services...For contractors
- ...Job Description Job Description Systems Engineer III Our client is seeking a Systems Engineer III to support and enhance a large-... ...solutions to automate provisioning, deployment, and system administration. Support physical data center and bare-metal infrastructure...Local areaRemote workVisa sponsorship
- ...certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS... ...the TTAC Infrastructure Modernization effort as a System Administrator (SA). The System Administrator is responsible for effective provisioning...Immediate startFlexible hoursWeekend work
- ...Position Summary Seeking an experienced Senior Systems Administrator to support mission-critical secure messaging and enterprise infrastructure... ...infrastructure. Monitor systems using SCOM and resolve Tier II/III infrastructure and messaging incidents. Manage incidents,...Full time
$40k - $80k
...seeking a motivated and experienced Organizational Messaging System (OMS) System Administrator to join our team at the Pentagon in Arlington, VA. This... ...Operations Manager (SCOM). Serve as a Tier II / Tier III technical escalation point for messaging and server-related...Full timeRemote workShift workNight shift- ...desktop, server, storage, network, and mobile systems connected to local and wide area... ...installations, and other local-area system administration functions. Support the implementation... ...discipline. Experience Level: Level III, with senior-level experience administering...For subcontractorLocal area
- ...In addition to the responsibilities listed below, this position is responsible for serving as a lead expert in configuring complex system builds, testing, validation, and ongoing production support of assigned applications. This position will possess clinical or IT systems...
$150k - $175k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience... ...engineering teams, and providing Tier III support for systems that cannot fail.Role...Local areaRemote workRelocation package$60k
Overview Acuity is seeking a motivated Tier 1 Systems Administrator to support a mission-focused federal technology environment. This is an excellent opportunity for a recent college graduate, transitioning military professional, or early-career technologist who has a strong...Contract workInternshipLocal areaShift workNight shift- ...Define and Redefine the State of Possible,” please apply today!The System Engineer Analyzes user's requirements, concept of operations... ....Extensive experience with Jira Service Desk configuration, administration, and customization.Proficient in UI/UX design and development...Contract workFlexible hours
- Clientmind Recruiting is seeking a System Administrator to support systems administration, networking, and security across a Microsoft-centric environment for a client in the Greenbelt, MD area. This role combines hands‑on systems management with end‑user support and will...Full time
- ...directly related experience in Tier II and Tier III support installing, configuring and supporting Microsoft-based systems, both virtual and physical Bachelor’s degree... ...Server 2003, 2008, 2008 R2, 2012, 2012 R2 administration Hands-on experience managing Windows Active Directory...
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