Senior Systems Engineer (Top Secret)

• Own Windows Server/Active Directory (AD) Services (GPO, DNS/DHCP, OU design, patching, monitoring) across production enclaves, ensuring high availability and optimal performance.
• Design, implement, and manage enterprise virtualization platforms, primarily using VMware ESXi, for maximum efficiency and resource utilization.
• Automate infrastructure deployment, configuration, and maintenance at scale using PowerShell and other scripting languages (e.g., Python), focusing on IaC (Infrastructure as Code) principles.
• Architect, deploy, and manage Public Key Infrastructure (PKI) solutions and oversee certificate/TLS lifecycle management across the enterprise.
• Perform complex, end-to-end troubleshooting of infrastructure issues, covering networking (TCP/IP, routing, load balancing), identity (Kerberos/LDAP), and application integration.
• Document runbooks, standard operating procedures (SOPs), and change procedures; participate in scheduled change windows and on-call rotation.
• Contribute to cloud strategy and migration efforts by providing technical expertise for AWS and/or Azure platform integration.
• Ensure systems adhere to stringent security requirements (e.g., STIG/RMF/NIST), especially within federal or classified environments.

We are seeking a highly experienced and technically proficient Senior Systems Engineer to manage, optimize, and secure critical enterprise infrastructure at the Dept of State in Washington, DC. The ideal candidate will be a hands-on expert in Windows Server, Active Directory, and virtualization technologies, with a strong focus on automation and cloud adoption. This role requires deep technical troubleshooting skills and the ability to work in a secure, on-site environment., * Active Top Secret with SCI(active or cross-over-eligible).

• Bachelor’s in computer science, Information Technology, or related field - or equivalent practical experience.
• 10+ years Server administration
• Proficiency in PowerShell for complex administration, reporting, and automation.
• Extensive experience with virtualization platforms (ESXi, Hyper-V, or KVM), including Horizon Remote Assistance.
• Experience with VDI deployments.
• Hands-on experience with Solarwinds for enterprise IT infrastructure and environment monitoring.
• Experience with Active Directory in production environments.

Preferred Qualifications (nice-to-have)

• Deep understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing protocols) and experience with load balancers (e.g., F5/NetScaler).
• Proven experience in designing and managing PKI and handling the entire certificate lifecycle.
• Excellent written and verbal communication skills, with a proven ability to document complex systems.
• Background in AWS and/or Azure infrastructure, services, and best practices.
• Familiarity with security compliance frameworks and tools for federal/classified environments (STIG, RMF, NIST).
• Experience with enterprise other monitoring solutions (e.g., SCOM, Splunk, health sets) is a plus.
• Exposure to Microsoft 365 (M365) technologies, including Hybrid/M365 touchpoints (e.g., Modern Auth, EOP/Defender).

Pulled from the full job description

• Paid parental leave
• Parental leave
• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• 401(k) 5% Match, Here at Revolutional we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include:
• Recognized as a Top 20 “Best Place to Work in Virginia”
• Recipient of Department of Labor’s HireVets Gold Medallion
• Great Place to Work Certification for five years running
• A Virginia Chamber of Commerce Fantastic 50 company
• A Northern Virginia Technology Council Tech 100 company
• Inc. 5000 list of fastest growing companies for eleven years
• Two-time SBA SBIR Tibbett’s Award winner
• Virginia Values Veterans (V3) Certification

We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Revolutional family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to

• Traditional and HSA- eligible medical insurance plans
• 100% employer-paid dental and vision insurance options
• 100% employer-sponsored STD, LTD, and life insurance
• 5% 401(k) company matching
• Flexible-schedules and teleworking options
• Paid holidays and PTO Accrual Plans
• Paid Parental Leave
• Professional development and career growth opportunities Team and company-wide events, recognition, and appreciation
• • and so much more!

Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.