280 CSfC Systems Engineer Subject Matter Expert (SME)

Defense Engineering Inc.; Manassas (VA); Sur place; USD 150 000 - 210 000; Plein temps

Résumé du poste

Defense Engineering, Inc. seeks an experienced Systems Engineer SME to support the CSfC program for DTRA, partnering with Leidos and government leadership.

Responsibilities include architecting PKI/HSM, maintaining HCI, and enforcing CSfC security standards across Windows and RHEL platforms. The role emphasizes building hardened infrastructure, implementing robust backup/DR, and enabling automated OS deployment and patching, while sustaining Authorization to Operate (ATO) and log aggregation for

Qualifications

• 12-15 years of prior relevant experience in DoD/DoW or defense contractor environments.
• Active TS/SCI clearance is required.
• DoD 8570.01-M / DoD 8140 IAT Level II/III certs (e.g., Security+ CE, CySA+, CASP+, CISSP).
• Experience drafting CSfC Key Management Plans (KMPs) and CMPs for NSA approval.

Responsabilités

• Architect, deploy, and maintain CSfC infrastructure within Black/Gray/Red networks for CSfC operations.
• Design and configure multi-layer CSfC architectures aligned with NSA Data-at-Rest and MA Capabilities.
• Manage CA, OCSP responders, and HSMs with CSfC key management requirements.
• Build and optimize virtualized compute/storage fabrics using VMware vSphere/ESXi or Nutanix AHV with vSAN.
• Implement Windows Server AD/DNS/GP and RHEL systems; enforce STIGs and patching across all systems.
• Establish centralized Syslog/audit logging for SIEM ingestion and monitoring.

Connaissances

Systems engineering

DoD/DoW

Cybersecurity awareness

Formation

Bachelor’s degree or higher in Computer Science, IT, Engineering, or related STEM field

Outils

VMware vSphere/ESXi

Nutanix AHV with vSAN

SCCM/Microsoft Configuration Manager

Windows Server

RHEL

PowerShell

Bash

Ansible

Syslog (Rsyslog/Syslog-ng)

SIEM (Splunk/Elastic)

CSfC/PKI/HSM

Description du poste

Job Description

Defense Engineering, Inc. (Dei) is seeking an experienced Systems Engineer (SME) to join our Integrated Information Technology Support Services (I3TS) team, who will support an extensive digital modernization program critical to Defense Threat Reduction Agency (DTRA). The Systems Engineer will work closely with the Leidos and Government technical leadership team to help drive innovation, growth, and efficiencies within the I3TS portfolio.

Primary Responsibilities:

The Commercial Solutions for Classified (CSfC) Systems Engineer SME will architect and maintain mission-critical Public Key Infrastructure (PKI) and Hardware Security Modules (HSMs), oversee VMware or Nutanix hyperconverged infrastructure (HCI) with vSAN, and implement resilient backup and disaster recovery frameworks. This role will also build and administer hardened Windows Server and Red Hat Enterprise Linux (RHEL) platforms, establish robust Syslog aggregation, and enforce rigorous DoW vulnerability patching and DISA STIG compliance to sustain full Authorization to Operate (ATO), and assist with automating gold-image provisioning via SCCM.

Clearance: Active TS/SCI Clearance at time of consideration.

Core Responsibilities:

Architect, deploy, and maintain CSfC infrastructure operating within Black/Gray/Red networks.

Design, configure, and maintain multi-layered CSfC architectures in alignment with NSA Data-At-Rest (DAR) and Mobile Access (MA) Capability Packages.

Architect, deploy, maintain Certificate Authority (CA), Online Certificate Status Protocol (OCSP) responders, and hardware-backed key protection via Hardware Security Modules (HSMs) in accordance with CSfC Key Management Requirements.

Build, manage, and optimize virtualized compute and storage fabrics utilizing VMware vSphere / ESXi or Nutanix AHV with vSAN/distributed storage. Design resilient, air-gapped backup and disaster recovery (DR) pipelines.

Deploy, configure, and administer hardened Microsoft Windows Server (Active Directory, DNS, Group Policy) and Red Hat Enterprise Linux (RHEL) systems.

Establish centralized, tamper-resistant Syslog and audit logging infrastructure across all network and system devices, hypervisors, and operating systems to support continuous monitoring and SIEM ingestion.

Understanding of cross-domain systems and forwarding log data through it to a centralized SIEM

Build and maintain automated OS deployment and gold image pipelines using Microsoft Configuration Manager (MCM/SCCM) for CSfC End User Devices (EUD).

Apply and validate patching and STIGs across all virtual and physical infrastructure. Execute vulnerability scans, track IAVMs, and remediate findings to maintain Authorization to Operate (ATO).

Required Qualifications

Bachelor’s degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, or related STEM degree program, and 12-15 years of priorrelevant experience or Masters with 10 – 13 years of prior relevant experience. May possess a Doctorate in technical domain. Specific experience, education and training may be considered in lieu of degree.

12+ years of progressive systems engineering experience within DoD/DoW, federal, or defense contractor enterprise environments.

Active TS/SCI Clearance

Active DoD 8570.01-M / DoD 8140 IAT Level II or III baseline certification (e.g., Security+ CE, CySA+, CASP+, or CISSP).

Active Computing Environment certification, including one of: VMware VCP/VCAP, Nutanix NCP, Red Hat Certified Engineer (RHCE), 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 syslog daemons (Rsyslog, Syslog-ng) and forwarding architectures to enterprise SIEM platforms (e.g., Splunk, Elastic).