Senior Systems Administrator

Senior Systems Administrator

TechFlow, Inc. · Arlington, United States (Hybrid) · Full-time · Posted 2026-07-20

Workplace: hybrid

Department: TSA Discover II

Description

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 be responsible for the administration, maintenance, monitoring, and optimization of enterprise IT infrastructure supporting the customers 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 — while collaborating alongside a highly technical team in a dynamic government setting.

Hybrid Remote: (Must have the ability to attend in person meetings Northern VA/DC Metro area)

Key Responsibilities

• Administer, maintain, and support enterprise servers, operating systems, virtual environments, and associated infrastructure supporting the customers platform.
• 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.

Requirements

• 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 the 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.

techflow

Benefits

Founded in 1995 at the start of the dot-com revolution, TechFlow helped large commercial clients such as Dreamworks, Toshiba, MGM, and others modernize their business systems. Today, with deep operational roots in the bi-coastal innovation hubs of California and Washington DC, TechFlow continues as a leader in applying innovative engineering, technology, integration solutions, and support services to the Federal Government’s most demanding mission and business challenges.

Our culture thrives on out-of-the-box thinking and the unique powerful entrepreneurial expressions of our employee-owners. As a 100% employee-owned company, we have a shared expectation of commitment, accountability, and responsibility driven by a culture that embraces innovation and new ideas. Our goal is not to do what has been done, but to do it better.

TechFlow has four principal lines of business: Platform Services, Digital Services, Base Operations, and Energy and Mobility Solutions. Our company has a strong track record of successful contracts in both areas and encourages cross-collaboration.

TechFlow, Inc is 100% employee-owned. Come make a difference in a job that contributes to your future and helps us build an agile workplace!

• Employee stock ownership plan (ESOP) – Pride in being an employee-owner and annual employer contribution (per plan guidelines)

• 401k 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

Apply

Apply at TechFlow, Inc.

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