Senior Systems Administrator
Unity Technologies Corporation
Company Overview UnityTec is an SBA-certified Woman-Owned Small Business (WOSB) delivering high-impact professional and technical services to government agencies. With deep expertise in Industrial and Enterprise Systems Modernization, FIAR (Financial Improvement and Audit Readiness), Industrial Facility Transformation, Program and Project Management, Enterprise Support and Consulting, and Advanced Analytics, we empower organizations to modernize operations and advance mission priorities. Our disciplined approach- grounded in dedicated talent, proactive planning, rigorous quality assurance, agile methodologies, cost-effective delivery, and uncompromising ethics - positions UnityTec as a trusted partner committed to achieving measurable, enduring results for our clients. Job Overview We are seeking a Senior Systems Administrator to join our team. You will serve as a technical leader responsible for the end-to-end lifecycle, stability, high availability, and security of in-house software systems and distributed network infrastructure. Additionally, you will direct system administration teams, automate operational workflows, and strategically align technology deployments with overarching business objectives to ensure optimal performance. This position is in Ft. Belvoir, VA. Responsibilities include, but are not limited to: Infrastructure Lifecycle & Network Operations System & Network Deployment: Plans, develops, installs, configures, and maintains all network software, servers, applications, and communication links across local and remote deployment sites. Advanced Networking & Fault Tolerance: Applies advanced technical knowledge of application networking- including application load balancing and fault tolerance configurations-to ensure highly available and stable computer software systems. Systems Maintenance: Delivers comprehensive lifecycle support, encompassing new installations, routine upgrades, and remote/local maintenance of operational systems. Performance Optimization & Automation Capacity & Performance Engineering: Conducts rigorous capacity planning and performance analyses to provide actionable recommendations for system configuration changes and infrastructure upgrades. Process Automation: Develops and implements automated tools and scripts to maximize system administrator efficiency, accuracy, and operational throughput. IT Leadership & Strategic Alignment Team Direction & Day-to-Day Operations: Organizes, directs, and oversees the work of other system administrators to ensure optimal resource utilization and effective daily system administration. Strategic Technology Consulting: Provides forward-looking recommendations on technology direction to seamlessly align IT capabilities with the organization's broader business vision. Team Development: Develops standardized administrative procedures, conducts skills assessments, and leads comprehensive training for the system administration team. End-User Support & Issue Resolution Tiered Troubleshooting: Proactively analyzes, diagnoses, and resolves end-user software programs and connectivity anomalies. User Training & Enablement: Provides direct assistance and comprehensive training to end users to ensure they can effectively navigate and utilize enterprise information management systems. Security & Vulnerability Management Risk Mitigation: Performs continuous vulnerability management to safeguard network integrity and ensure that all information systems comply with operational security standards. Required Qualifications: DoD 8570 IAT Levell II or III. Server Admin M and Domain Admin Z certified (Cloud or Microsoft Operating System) or equivalent certifications. A bachelor’s degree in a technical discipline. A minimum of ten (10) years of specialized experience in the field of Information Processing, where the majority are specialized in numerous specialized Information Processing disciplines involving a range of hardware/software solutions. A minimum of four (4) years of concentrated, hand-on experience in installing, configuring, maintaining, and resolving issues with various software. Clearance Requirements: Must be a U.S. citizen Must possess a DoD current Secret clearance. UnityTec is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. #J-18808-Ljbffr Unity Technologies Corporation
- ...Job Description Job Description SENIOR SYSTEMS ADMINISTRATOR: Ensures the stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all...SeniorLocal areaRemote work
$115k - $155k
Senior Systems Administrator The Senior Systems Administrator ensures stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all network software...SeniorLocal areaRemote work- ...Storage & Backup: Hands-on experience managing enterprise storage systems (specifically NetApp ONTAP) and configuring/maintaining... ...solutions using Veeam Backup & Replication. Windows Server & Domain Administration: Deep expertise in Windows Server administration, Active...SeniorFull timeContract workTemporary work
- ...Level: Not SpecifiedTravel Percentage: Occasionally Job Shift: DayJob Category: Professional Services BMA is seeking a Systems Administrator- Senior (Okta) to join our team. This is a fully remote role. Job Summary Ensures the stable operation, maintenance, and optimization...SeniorTemporary workLocal areaRemote workShift work
- The company is looking for an amazingly talented Senior Systems Administrator to join our team! In this role you will get to manage Windows Active Directory environments, hypervisors, Linux and Windows virtual machines. What You'll Be Doing: Administering sensitive operational...SeniorFlexible hours
- ...contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a System Administrator- Senior to support an enterprise-level program within a federal environment. Job Description and Responsibilities Responsible...SeniorFor contractorsWork at officeLocal areaRemote work
$110k - $177k
Senior Systems Administrator Location Ft. Belvoir, VA Security and Certification Requirements Tier 5 investigation and a Secret clearance. Top Secret is preferred DoD 8570/8140 baseline certification: IAT II or IAT III. Computing environment : Relevant Microsoft computing...SeniorFor contractorsLocal areaRemote work$86.6k - $181.8k
Job Title: Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: We are seeking...SeniorFull timeContract workWork experience placementLocal areaRemote workFlexible hours- ...Essential Functions of the Job Organize and directs the configuration and operation of information management systems Provide the day-to-day system administration to include system and resource optimization, and user assistance Conduct capacity and performance analysis,...SeniorContract workTemporary workFor contractorsWork at officeImmediate startFlexible hoursWeekend workAfternoon shift
- Kaimetrix is seeking a System Administrator - Level III to support enterprise IT systems in a secure, mission-critical environment at Fort Belvoir, Virginia. The ideal candidate will have at least 6 years of progressive experience and relevant certifications, ensuring...Senior
- ...a comprehensive information management environment. We seek a senior IT professional to lead virtualization, storage, and Windows Server... ...a BS/BA. You will implement RMF, STIGs, CA/PKI, and monitor systems with SolarWinds while supporting lifecycle #J-18808-Ljbffr TekSynapSenior
- North Point Technology is seeking a Microsoft System Administrator for Senior and Junior levels at Fort Belvoir, VA. This position requires an active TS/SCI clearance with a CI Polygraph. Responsibilities include maintenance of Windows-based servers, application updates...Senior
- ...Job Description Job Description Microsoft System Administrator - Senior - #881 Location: Fort Belvoir, VA TS/SCI w/CI Poly REQUIRED Experience: Eight years of progressively responsible experience in server administration, including supporting and managing...SeniorImmediate start
- Senior Microsoft System Administrator Ft. Belvoir, VA At IPT Associates (IPTA), we enjoy solving real‑world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical solutions that actually make a difference...SeniorContract work
- Microsoft System Administrator- Senior / Junior(Top Secret with agreement to obtain CI Poly) This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Position / LCAT: Microsoft System...SeniorWork at office
- Dexian Government Solutions is seeking a System Administrator IV to support the DHA GSP TO7 contract at ATAMMC, Fort Belvoir, VA. The role focuses... ...and upkeep of computer systems, servers, and networks, with senior-level oversight, mentoring, and strategic direction. The...SeniorContract work
$105k - $155k
...Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s... ...contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator... ...,000What you will doYou will serve as a senior technical resource responsible for administering...SeniorFull timeWork experience placementLocal areaWorldwide- ...support. Perform daily application backups. Monitor and optimize system performance, including CPU, memory, disk usage, and response... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux (RHEL and Ubuntu) and UNIX in classified...Senior
$131.3k - $237.35k
The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Senior System Administrator Team Lead. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development...SeniorFull timeWork at office- Sienna Systems Corporation is seeking a Cloud Systems Administrator to join the SSA Special Notice Option (SNO) team in Alexandria, Virginia. You will own AWS and Active Directory environments end-to-end on a small, self-directed team. You will work on-site with government...Senior
- Title: Senior Cisco Systems Administrator Location: Remote Clearance: Public Trust Responsibilities: Perform daily administration and monitoring of Cisco UCS domains, fabric interconnects, chassis, and blade servers Manage, maintain, and upgrade VMware vSphere, vCenter...SeniorRemote work
- Allen Integrated Solutions is seeking a Senior Microsoft System Administrator to support and manage production Windows Server environments, including Active Directory, DNS, and DHCP. The role requires leading a team, mentoring junior staff, and applying security best practices...Senior
- ...Information Technology (GDIT) seeks an IT Engineer with strong Linux administration and Windows competency to deliver Tier 2 support for a large Federal Intelligence Agency. The role focuses on RHEL-based systems, secure Linux operations, and hybrid environments, with duties...Senior
- ...Wednesdays. Manages the functionality and efficiency of a group of computers running on one or more operating systems The Sr Systems Administrator is responsible for the operations, maintenance, and monitoring of data center operations and supporting...SeniorContract workWork experience placementLocal areaRemote workShift workNight shift
$130k - $150k
...to a mission-focused team, we invite you to join us and together, we will shape the future. Let’s Make It Real! The Senior Microsoft Systems Administrator must be able to meet the key criteria below: Location: Hybrid-Remote. Must be able to be onsite in Alexandria, VA...SeniorFull timeTemporary workFor contractorsWork at officeLocal areaRemote workHome officeFlexible hours$92.3k - $166.85k
...Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development program, Chinook, for an Intelligence Community...SeniorContract workLocal areaImmediate startShift workDay shiftAfternoon shift- AGE Solutions is seeking a Telecommunications Specialist to support our DoD customer at Fort Belvoir, VA. The role manages and sustains local telecom solutions, plans and completes projects, and interfaces with contract and government leadership. You will install and maintain...SeniorContract workLocal area
- ...protect our country from threats. Job Description Shape the Mission. Engineer the Future. GDIT is seeking a Senior Cloud System Administrator / Integrator with deep experience supporting Army systems in cloud and hybrid environments. You will apply advanced...Senior
- ...Hi, Need Candidates for Senior Server Admin Senior Server Administrator (VMware / Windows / Active Directory) Role Summary We are seeking experienced... ...technical teams, and supporting critical production systems. Key Responsibilities • Perform Windows Server...Senior
$110k - $117.5k
Our work depends on TS/SCI cleared Systems Administrator joining our team to Support our intelligence customer in Springfield, VA. As a System Administrator (College Desktop Support), you will be responsible for providing excellent technical support to NGA College end-users...SeniorContract workWork experience placementRemote workFlexible hoursWeekend work
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