Senior Systems Engineer

Job Family: Systems Engineering Travel Required: Up to 10%. Clearance Required: Active Top Secret (TS). What You Will Do Guidehouse is seeking a highly capable Senior Systems Engineer to support a large‑scale federal enterprise infrastructure program operating within secure and classified environments. This role requires a hands‑on infrastructure engineering professional capable of supporting mission‑critical systems, modernizing enterprise platforms, and maintaining highly available environments that support critical government operations. The ideal candidate combines deep systems engineering expertise with operational experience across server infrastructure, virtualization, enterprise services, automation, security compliance, and infrastructure modernization initiatives. Responsibilities Engineer, implement, maintain, and support enterprise infrastructure environments supporting mission‑critical operations. Support Windows Server environments, enterprise infrastructure services, and virtualized platforms across distributed environments. Configure, administer, and troubleshoot Active Directory, Group Policy, DNS, DHCP, and core infrastructure services. Perform system upgrades, infrastructure modernization, patch management, vulnerability remediation, and lifecycle management activities. Support VMware‑based virtualization environments, virtual servers, and virtual desktop infrastructure platforms. Monitor, analyze, and optimize system availability, reliability, resiliency, and operational performance. Support backup, recovery, disaster recovery, continuity of operations, and infrastructure resiliency initiatives. Collaborate with cybersecurity, networking, cloud, application development, and operations teams to implement integrated technical solutions. Troubleshoot complex infrastructure issues and support high‑priority operational incidents. Develop system documentation, engineering diagrams, implementation guides, standard operating procedures, and configuration baselines. Participate in architecture reviews, change management processes, capacity planning, and modernization initiatives. Support infrastructure automation and continuous improvement initiatives that enhance operational efficiency and service delivery. What You Will Need U.S. Citizenship. Active Top Secret clearance with ability to obtain and maintain SCI eligibility. Bachelor's degree or four (4) additional years of relevant experience in lieu of degree. Six (6)+ years of experience engineering and deploying complex enterprise IT systems. Experience supporting enterprise Windows Server environments and associated infrastructure services. Experience with virtualization technologies including VMware or comparable enterprise platforms. Experience supporting secure, compliance‑driven federal environments. Experience implementing system security controls, infrastructure hardening, patching, and vulnerability remediation activities. Strong troubleshooting, analytical, written, and verbal communication skills. Experience supporting enterprise infrastructure operations, system administration, and operational sustainment activities. What Would Be Nice To Have Security+ certification. Microsoft infrastructure or server administration certifications. Experience supporting Citrix Virtual Desktop Infrastructure (VDI) environments. Experience with Azure, AWS, or hybrid cloud environments. Experience using PowerShell, Python, or other automation technologies. Familiarity with NIST 800‑53, RMF, STIGs, continuous monitoring, and ATO processes. Experience supporting classified, national security, intelligence community, or other highly regulated environments. Experience with enterprise monitoring, logging, backup, recovery, and infrastructure management platforms. What We Offer Medical, Rx, Dental & Vision insurance. Personal and Family Sick Time & Company Paid Holidays. Parental Leave. 401(k) Retirement Plan. Group Term Life and Travel Assistance. Voluntary Life and AD&D Insurance. Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts. Transit and Parking Commuter Benefits. Short‑Term & Long‑Term Disability. Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities. Employee Referral Program. Corporate Sponsored Events & Community Outreach. Care.com annual membership. Employee Assistance Program. Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.). Position may be eligible for a discretionary variable incentive bonus. Equal Opportunity Employment Guidehouse is an Equal Opportunity Employer—Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation. Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco. If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at View phone number on click.appcast.io or via email at View email address on click.appcast.io. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation. All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or View email address on click.appcast.io. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process. If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact View email address on click.appcast.io. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties. Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee. #J-18808-Ljbffr