Senior Systems Administrator
$75k - $85kTechFlow Inc
TechFlow Inc. is an employee‑owned company delivering mission‑critical technology, engineering, and mission support services to federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program, powering the platform that securely collects, analyzes, reports, and exchanges data from Transportation Security Equipment. In this role you will administer, maintain, monitor, and optimize the enterprise IT infrastructure supporting the customer’s platform, ensuring the stability, security, and availability of mission‑critical systems through routine system administration, troubleshooting, and proactive corrective action. You will work closely with cybersecurity personnel, engineers, help desk staff, and government stakeholders to maintain a secure, high‑performing operating environment in a dynamic government setting. Hybrid Remote: (Must have the ability to attend in‑person meetings in the Northern VA/DC Metro area) Key Responsibilities Administer, maintain, and support enterprise servers, operating systems, virtual environments, and associated infrastructure. Perform routine system administration tasks, including user account management, system monitoring, patch management, backups, and performance tuning. Maintain accurate system administration logs, operational documentation, and configuration records. Monitor system health, identify performance issues, and implement corrective actions to maximize system availability and efficiency. Troubleshoot and resolve complex hardware, software, operating system, network, and application issues in high‑volume, high‑availability environments. Utilize established debugging tools, protocols, and diagnostic processes to isolate and resolve technical problems. Respond to customer‑reported incidents and service requests, providing timely resolution and effective communication throughout the support process. Collaborate with cybersecurity personnel to implement security controls, apply security patches, and maintain compliance with government security requirements. Support system upgrades, software deployments, maintenance activities, and infrastructure modernization initiatives. Assist with disaster recovery planning, backup validation, and system restoration activities. Develop and maintain technical documentation, standard operating procedures, and configuration management records. Participate in after‑hours maintenance windows and provide on‑call support as required. Compensation $75,000–$85,000 annually, commensurate with experience and qualifications. Qualifications Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related technical discipline. Minimum of 6 years of progressively responsible experience in systems administration. Experience conducting routine system administration activities and maintaining detailed system administration logs. Experience administering and troubleshooting enterprise IT infrastructure supporting high‑volume, high‑availability environments. Demonstrated ability to diagnose and resolve complex technical issues across servers, operating systems, and supporting infrastructure. Experience utilizing system debugging tools, troubleshooting methodologies, and diagnostic processes.Strong understanding of Windows and/or Linux server administration. Experience with system monitoring, patch management, backup solutions, and performance optimization. Excellent analytical, organizational, and problem‑solving skills. Strong written and verbal communication skills with the ability to interact effectively with technical and non‑technical stakeholders. Ability to obtain Public Trust Security Clearance. Preferred Qualifications Experience supporting federal government customers. Experience with virtualization technologies such as VMware or Hyper‑V. Familiarity with cloud infrastructure and hybrid environments. Experience with scripting or automation using PowerShell, Bash, or Python. Knowledge of cybersecurity best practices, vulnerability remediation, and secure system administration. Industry certifications such as Microsoft, Red Hat, VMware, Security+, Server+, or comparable credentials are a plus. Benefits Employee Stock Ownership Plan (ESOP) – annual employer contribution per plan guidelines. 401(k) plan with Roth option: Eligibility for an employer match. Immediate vesting. Paid time off. Holidays – 11 paid holidays per year. Comprehensive medical, dental, and vision plans. Company‑paid Life & AD&D insurance plan. Employee Assistance Program. Wellness resources. Company‑paid training and development program. Voluntary benefits include: Life & AD&D insurance for employee, spouse, and children. Short‑term and long‑term disability (per plan guidelines). Legal Shield and Identity Theft protection plans. Pet insurance. #J-18808-Ljbffr TechFlow Inc
$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...SeniorFull timeLocal area$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Qualifications Minimum of seven (7) years of experience in installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems associated with the operating system's servers, hardware, applications,...Senior
$78.6k - $160.2k
...Senior Systems Administrator At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential...SeniorLocal area- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
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$78.6k - $160.2k
...and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS....SeniorLive inWork at officeLocal area$101.92k - $131.04k
...Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated...SeniorFull timeContract workFor contractorsWork at officeFlexible hours- ...Senior Systems Administrator JOB SUMMARY: Under the direction of the Director of IT Infrastructure, the Senior Systems Administrator is responsible for the design, implementation, and maintenance of the firm's server systems, data storage, and network applications....SeniorWork at officeRemote workFlexible hours
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$77.6k - $176k
Booz Allen Hamilton in Washington, DC seeks a Senior System Administrator to lead enterprise-scale infrastructure and security for mission-critical systems. The role requires 8+ years of sys/admin experience, TS/SCI clearance, and a strong background in Windows/Linux, databases...Senior- Integrated Computer Solutions, Inc. is seeking a Senior System Administrator in Arlington, Virginia. This position involves providing Tier I/II/III support within classified environments, ensuring operational performance and security of critical systems. The ideal candidate...Senior
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$120k - $150k
...projects aligned with their regional strengths. Learn more at Job Description KPFF is seeking an experienced Senior Systems Administrator to support and enhance our enterprise technology infrastructure across multiple offices. This role is responsible for...SeniorFull timeTemporary workWork at officeRemote workFlexible hours$130k - $140k
...we’ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous...SeniorFor contractors- Senior Systems Administrator - Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security clearance required. TS/SCI. Must possess active clearance. Security+ certification required. Description : The...SeniorFull time
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- ...technology challenges through innovative solutions, exceptional people, and a commitment to customer success. As a Senior Endpoint Systems Administrator, you will play a key role in delivering secure, reliable, and efficient endpoint services that empower users across...SeniorFull timeContract work
- Join to apply for the Senior Systems Administrator role at Tecolote Research Overview We are seeking a skilled and motivated Systems Administrator to join our IT team. The ideal candidate will be responsible for managing, maintaining, and optimizing our enterprise systems...SeniorFull timeTemporary workWork at office
$78.6k - $160.2k
...training and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This...SeniorLive inWork at officeLocal area- Overview Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization’s network systems. CGS brings motivated, highly skilled, and...SeniorFull timeWork at officeFlexible hours
- ...August 2025 Application Deadline: 29 August 2025 Department: Systems Engineering Location: Headquarters Description Aireon... ...Operating within the Aireon Network Engineering Group, the Senior Systems Administrator is responsible for helping to set up, maintain and manage...SeniorPermanent employmentFull timeTemporary workFor subcontractorWork at officeRemote workFlexible hours
- Systems Planning and Analysis, Inc. (SPA) is seeking Systems & Infrastructure Administrators to operate, maintain, and improve environments hosting APACS and related capabilities across multiple classifications. These roles ensure mission systems remain available, secure...Senior
- TechFlow Inc. is seeking a Senior Systems Administrator to support a critical DoD program, administering and optimizing the enterprise IT infrastructure to ensure secure, available systems. Hybrid remote work requires in‑person meetings in the Northern VA/DC Metro area...SeniorRemote work
- A government solutions provider based in Arlington, Virginia, is seeking a Senior Systems Administrator. The successful candidate will manage Relativity databases and collaborate with federal agencies to ensure technical support. Applicants should have significant experience...Senior
- Tripoint Solutions is seeking an experienced Systems Administrator to deliver advanced Tier III technical support for enterprise IT infrastructure, end-user computing environments, cybersecurity operations, and COTS applications. The role is on-site in Washington, DC, with...Senior
- TechFlow, Inc. seeks a Senior Systems Administrator to maintain and optimize the enterprise IT infrastructure for a critical DOD program, ensuring security, stability, and high availability. You will collaborate with cybersecurity, engineers, and government stakeholders...Senior
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