CSfC Systems Engineer/Architect

Sarela Technology Solutions; Fort Belvoir (VA); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Health insurance

Paid time off

Profit sharing

Training & development

Tuition assistance

Vision insurance

Job summary

Sarela Technology Solutions seeks an experienced Systems Engineer SME to support a DoD modernization program. You will architect CSfC PKI/HSM, manage VMs and HCI, and enforce STIG compliance to sustain ATO across Windows and RHEL platforms, with automated deployment and centralized logging.

In this role you will build resilient backup, configure secure networks, and collaborate with DoD leadership to drive secure modernization initiatives.

Qualifications

• 12+ years of progressive systems engineering in DoD/DoW or defense contractor environments.
• Active TS/SCI Clearance.
• Active DoD 8570.01-M / DoD 8140 IAT Level II or III baseline certification (e.g., Security+, CySA+, CASP+, or CISSP).
• Active Computing Environment certification (e.g., VMware VCP/VCAP, RHCE, etc.).
• Experience drafting CSfC Key Management Plans (KMPs) and CMPs for NSA CSfC PMO approval.
• Proficiency with PowerShell, Bash, and Ansible for automation and patching.

Responsibilities

• Architect and maintain CSfC PKI and HSMs.
• Deploy and manage CSfC infrastructure across Black/Gray/Red networks.
• Establish centralized Syslog/audit logging and SIEM integration.
• Build and maintain VM/Hyperconverged compute and storage fabrics (VMware/Nutanix).
• Automate OS deployment and gold-image provisioning (SCCM/MCM).
• Ensure DoD STIG compliance and maintain Authorization to Operate (ATO).

Skills

TS/SCI Clearance

DoD/DoW experience

CSfC knowledge

PowerShell

Bash

Education

Bachelor's degree or higher in related STEM field

Tools

VMware vSphere/ESXi

Nutanix AHV

SCCM/MCM

RHCE

Active Directory

GPO/Windows Server

PKI/HSM management

Syslog/SIEM tools

Job description

Job Description

SarelaTech 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.

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Profit sharing
• Training & development
• Tuition assistance
• Vision insurance

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.

• 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 prior relevant 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+, 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).

Desired Qualifications

• Experience Designing, deploying, and maintaining IT infrastructures for DTRA or other DoW organizations