Sr. Windows System Admin

StratasCorp
life insurance, vision insurance, paid holidays, 401(k)
United States, Hawaii, Wahiawa
Jan 07, 2026
At StratasCorp, our mission strives to put employees first while still being recognized as a leader in the Department of Defense Information Technology sector. We believe in a continuing pursuit of customer satisfaction and operational excellence while exceling in service innovation. We are looking for employees who value corporate culture, leadership, diversity, and commitment to quality, because we are #TeamStratas. Location Wahiawa, HI - Wahiawa, HI 96786 US (Primary) Category Information Technology Job Description Our team in Wahiawa, HI has an immediate need for a Senior Windows System Administrator with demonstrated experience setting up administrator and service accounts, maintaining system documentation, installing system wide software, and overall administration of servers. The position requires interaction with users, evaluating vendor products, and submitting recommendations to purchase hardware and software. Primary responsibilities include: * Provide services for Windows Operating Systems and Exchange support including troubleshooting for users on Military Sealift Command (MSC) vessels and Network Operations Center * Implement Global Address List (GAL) synchronizing between forests by means of Microsoft MIM * Assist in developing and submitting Change Requests (CRQs) for changes in procedures or installation of hardware and software for approval * Submit change management requests for software updates and configuration changes to the network change management board for approval with IA and RMF teams * Develop Standard Operating Procedure (SOP) documentation regarding security practices and operational procedures * Assist in the creation and implementation of guidelines for accreditations and Command Cyber Operational Readiness Inspections * Assist in creation and implementation of disaster recovery, business continuity, and failover/cutover procedures * Oversee and assist in the management and maintenance of the MSC Microsoft Exchange Server infrastructure ensuring e-mail functionality for fleet customers * Monitor Exchange server performance and maintain optimization * Assist in the writing and updating of system documentation, install security patches/updates, plan and perform Windows server upgrades, troubleshoot Widows operating system issues, and maintain the security posture of Windows servers * Provide written and verbal project updates to leadership * Provide, respond to, resolve, and document customer windows and e-mail issues using the Navy Enterprise Service Desk (NESD) ticket system (Helix) * Manage and secure Windows Server environments, including implementing DISA STIGs, remediating technical gaps, and ensuring all new STIG requirements are applied within timelines * Administer and optimize Group Policy Objects (GPOs) by designing, reviewing, and troubleshooting policies to maintain a secure and compliant enterprise environment * Perform ongoing compliance and configuration audits, conducting detailed technical checks and validating system posture across servers and workstations * Develop and refine automation scripts to streamline system hardening, STIG compliance, and overall Windows Administration Tasks Job Requirements * Progressive IT experience (5 years) including significant Microsoft Windows within the past three (3) years * Two years of supervision experience over complex IT projects * Experience (1 year) in supervising large IT service contracts, including personnel of various job categories and skills and must have occurred in the last five (5) years * Possess a certification in accordance with DoD 8570.01-M Information Assurance Technician (IAT) Level II * This is not a Remote/Hybrid position. Candidates are expected to report to the office daily M-F Security Clearance Top Secret Job Type Full-time StratasCorp provides a complete compensation package with competitive wages and benefits that include medical, dental, and vision insurance, FSA & HSA accounts, disability and other income protection benefits, life insurance, paid personal time-off benefits, paid holidays, and a 401K Saving Plan with a company matching contribution. StratasCorp is committed to equal opportunity in employment, actively seeking to build a diverse and talented workforce, including individuals with disabilities and protected veterans.