Systems Engineer SME

Platinum Technologies • Fort Belvoir, VA

2d • Onsite

About The Position

Platinum Technologies is hiring a Systems Engineer SME to support the Defense Threat Reduction Agency (DTRA) Integrated Information Technology Support Services (I3TS) digital modernization program. The role works with government and technical leadership to strengthen mission-critical systems, improve operational efficiency, and maintain secure Commercial Solutions for Classified (CSfC) infrastructure. It is located at Fort Belvoir, Virginia, and requires an active TS/SCI clearance at the time of consideration.

The engineer will architect, deploy, and maintain CSfC infrastructure across Black, Gray, and Red networks; administer virtualization, operating systems, public key infrastructure, and security services; and support secure logging, automated deployments, patching, vulnerability remediation, and Authorization to Operate maintenance. Platinum Technologies describes its work environment as mutually accountable and focused on technical expertise, thought leadership, quality execution, and professional and leadership development.

Requirements

• Bachelor’s degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, or a related STEM field, with 12–15 years of relevant experience; or a master’s degree with 10–13 years of relevant experience. A technical doctorate or equivalent combination of experience, education, and training may be considered.
• At least 12 years of progressive systems engineering experience in DoD/DoW, federal, or defense contractor enterprise environments.
• Active TS/SCI security clearance at the time of consideration.
• Active DoD 8570.01-M / DoD 8140 IAT Level II or III baseline certification, such as Security+ CE, CySA+, CASP+, or CISSP.
• Active computing environment certification in at least one of the following: VMware VCP/VCAP, Nutanix NCP, Red Hat Certified Engineer (RHCE), or Microsoft Certified: Windows Server Hybrid Administrator Associate.
• Direct experience drafting CSfC Key Management Plans (KMPs) and Continuous Monitoring Plans (CMPs) for NSA CSfC PMO approval.
• Proficiency with PowerShell, Bash, and Ansible for automated STIG remediation, configuration drift detection, and certificate deployment.
• Advanced configuration of Rsyslog or Syslog-ng and log-forwarding architectures to enterprise SIEM platforms such as Splunk or Elastic.

Responsibilities

• Architect, deploy, and maintain CSfC infrastructure across Black, Gray, and Red networks.
• Design and sustain multilayer CSfC architectures aligned with NSA Data-at-Rest (DAR) and Mobile Access (MA) Capability Packages.
• Architect and administer certificate authorities, OCSP responders, public key infrastructure (PKI), and hardware security modules (HSMs) consistent with CSfC key management requirements.
• Manage VMware vSphere/ESXi or Nutanix AHV hyperconverged environments, including vSAN or distributed storage, and design resilient air-gapped backup and disaster recovery solutions.
• Deploy and administer hardened Windows Server systems, including Active Directory, DNS, and Group Policy, as well as Red Hat Enterprise Linux systems.
• Implement tamper-resistant centralized syslog collection and forwarding from network devices, hypervisors, and operating systems to enterprise SIEM platforms, including cross-domain log forwarding.
• Build and maintain automated operating-system deployment and gold-image workflows using Microsoft Configuration Manager (MCM/SCCM) for CSfC end-user devices.
• Apply and validate patches and DISA STIGs, conduct vulnerability scans, track IAVMs, and remediate findings to maintain Authorization to Operate (ATO).

What This Job Offers

• Job Type: Full-time
• Career Level: Senior