Senior Systems Engineer (Top Secret)

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. Title Senior Systems Engineer Location Washington, DC (Onsite) Terms Full-time Salary 150k - 180k DOE Clearance Top Secret with SCI eligibility - Required Travel 10% About The Role 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. What You’ll Do 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. Required Qualifications 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 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). Benefits 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! Equal Employment Opportunity Statement Revolutional is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Revolutional does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact View email address on click.appcast.io. #J-18808-Ljbffr Revolutional