Senior Systems Engineer

Revolutional, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.

Location: Washington, DC

Terms: Full-time

Clearance:
Top Secret with SCI eligibility - Required

Travel: 10%

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.

• 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 Power Shell 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.

• 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 Power Shell for complex administration, reporting, and automation.
• Extensive experience with virtualization platforms (ESXi, Hyper‑V, or KVM), including deployment, maintenance, and performance tuning.
• Experience with Active Directory in production environments.

• Deep understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing protocols) and experience with load balancers (e.g., F5/Net Scaler).
• 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 monitoring solutions (e.g., SCOM, Splunk, health sets).
• Exposure to Microsoft 365 (M365) technologies, including Hybrid/M365 touchpoints (e.g., Modern Auth, EOP/Defender).

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…