Windows System Administrator (Senior)

Senior Windows System AdministratorJoin WOOD Federal Solutions as a Senior Windows System Administrator supporting a high-performing Agile team in a complex, fast-paced mission environment. In this role, you will help sustain and strengthen a geographically distributed infrastructure while supporting the engineering, deployment, and operation of new capabilities across enterprise systems.You will work extensively with Windows Server, Active Directory, DNS, Group Policy, SCCM, Exchange, PowerShell, VMware, VDI, networking, and enterprise security tooling. The environment also includes Linux guest systems, routers, firewalls, and multiple virtual server clusters, giving you the opportunity to work across a broad range of infrastructure technologies while maintaining a strong Windows administration focus.This position is ideal for an experienced Windows administrator who is comfortable operating in high-assurance environments where reliability, security, and disciplined change management are critical. You will monitor systems, remediate vulnerabilities, manage IAVA and security scanning activities, troubleshoot hardware and software issues, support users and partner teams, maintain technical documentation, and help ensure systems remain secure, available, and ready to support mission needs.The role also offers the opportunity to contribute to infrastructure enhancements, automation, system optimization, and project-related technical work while collaborating with engineers, security professionals, and other technical teams. It is well suited for someone who combines deep Windows expertise with strong operational judgment, security awareness, and the ability to work effectively in a demanding enterprise environment.Security Clearance Requirements: This position requires candidates to be U.S. Citizens and possess a TS/SCI Security Clearance with an appropriate Polygraph.ResponsibilitiesThe selected candidate will be responsible for monitoring test infrastructure systems, applications, and processes to ensure issues are identified, tracked, and resolved in a timely manner. This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI).Additional responsibilities may include:Maintaining multiple virtual server clusters and addressing system scan findings, vulnerability management patching, and Active Directory configuration issues.Using enterprise monitoring tools to detect, assess, and respond to alerts.Providing technical support to partner workgroups on overlapping efforts while maintaining strong interdepartmental collaboration.Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.Initiating IAVA responses and system security scans, completing remediation actions, deploying patches and security updates to designated sites, and executing monthly security scans.Identifying and resolving hardware and software problems.Proactively notifying customers when test infrastructure delays may affect their ability to complete business functions on time and communicating system outages and publishing status updates to users, as needed.Authoring and maintaining clear, accurate, and concise documentation.Responding to calls and emails in a timely and professional manner.Planning and implementing IT enhancements and supporting project-related work.Responding to system administration, operations, and maintenance issues on an on-call basis when required.QualificationsBasic QualificationsMust have at least 7 years of Windows administration experience.Must have at least 7 years of experience in information security management, with demonstrated expertise in security governance, risk management, compliance, and operational security functions.Must have at least 5 years of experience with each of the following:Implementing and managing Windows Active Directory and DNS environmentsCreating and managing Group Policy Objects (GPOs)Microsoft SCCMMicrosoft Exchange administration and Exchange Management ShellMust have experience with Windows Command Line, PowerShell, and PowerShell scripting.Strong understanding of advanced security protocols, standards, and information security principles is a must.Experience with software and security architectures.Hands-on experience with IAVA management.Hands-on experience supporting users, optimizing system operations, and monitoring enterprise IT systems.Commitment to best practices, including compliance with maintenance windows and change control procedures.Familiarity with Windows and Linux operating systems, VMware, and networking technologies including switches, routers, LANs, and cabling.Must have strong analytical skills, attention to detail, and the ability to work effectively both independently and as part of a team.Preferred QualificationsBachelor's degree in Computer Science, Information Technology, or a related technical field and 12 years of prior relevant experience.Experience documenting and supporting security accreditation and certification activities.Experience with network security technologies, including multi-domain solutions, PKI, SSPs, and vulnerability assessments.Experience with data center design and configuration, including rack-and-stack, power planning, and equipment placement.Experience with VMware.Experience using automation tools such as Ansible or SaltStack.Experience serving in a System Administrator role supporting software configuration management and development environments.About WOODWOOD Federal Solutions is a mission-focused federal contractor supporting complex national security and government programs. We bring experienced professionals, disciplined execution, and a commitment to engineering trust for mission success. Our teams work in demanding technical environments where expertise, reliability, collaboration, and accountability matter.At WOOD, employees have the opportunity to contribute to meaningful customer missions while continuing to grow professionally within a company that values strong performance, continuous learning, and respect for the people doing the work.Fringe BenefitsHealth Insurance: Comprehensive medical, dental, and vision coverage.Retirement Plan: 401(k) plan with company match.Paid Time Off: Paid vacation, sick leave, and company holidays.Professional Development: Opportunities for training, certifications, and continued professional growth.Work-Life Support: Workplace flexibility where permitted by position, customer, security, and mission requirements.Wellness Resources: Employee assistance and wellness programs, including available fitness-related benefits and discounts.Why Join WOOD?Meaningful Mission: Contribute your expertise to programs supporting important federal and national security missions.Professional Growth: Build your capabilities through challenging assignments, training, certifications, and opportunities for continued development.Collaborative Environment: Work alongside experienced professionals in teams that value technical excellence, accountability, and effective collaboration.Competitive Compensation: Receive competitive compensation and a comprehensive employee benefits package.Opportunity to Make an Impact: Join an organization where strong performers can contribute ideas, improve how work gets done, and have a visible impact on customer and company success.