CSfC Systems Engineer (SME) with Security Clearance

JCS Solutions LLC; Fort Belvoir (VA); On-site; USD 116,000 - 167,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

Paid time off (PTO)

401k with employer match

Professional development reimbursement

Job summary

JCS Solutions LLC is seeking an experienced Systems Engineer (SME) to support a Defense Threat Reduction Agency modernization program. The role emphasizes CSfC, PKI/HSM, and hardened Windows/RHEL environments.

A TS/SCI clearance is required, with DoD CSfC PMO experience and strong automation skills in PowerShell, Bash, and Ansible. The engineer will build and maintain CSfC infrastructure across multi-layer networks, manage CM/OCSP, CA, and KMPs, and ensure continuous monitoring and ATO readiness

Qualifications

• Bachelor-level degree or higher in a STEM field with 12–15 years of related DoD/DoW experience or a Master's with 10–13 years of related experience
• Active TS/SCI clearance required for consideration
• DoD 8570/8140 IAT Level II or III certification required
• Extensive experience with CSfC, KMPs, CMPs and NSA CSfC PMO processes
• Proficiency with PowerShell, Bash and Ansible for automation and remediation
• Experience with PKI, HSMs, CSfC architectures, and hardened Windows/RHEL systems

Responsibilities

• Architect, deploy, and maintain CSfC infrastructure within DoD networks
• Manage PKI, CA/OCSP, and HSMs; ensure CSfC compliance and ATO readiness
• Oversee VMware/Nutanix hyperconverged environments and vSAN storage
• Establish centralized Syslog/audit logging and SIEM integration
• Build OS deployment pipelines using SCCM/MCM and gold image provisioning
• Patch management and vulnerability remediation across VMs and physical hosts

Skills

PKI

HSMs

VMware

Nutanix

Windows Server

RHEL

SCCM

CSfC

DISA STIG

ATO

PowerShell

Ansible

SIEM

Cybersecurity

Education

Bachelor's degree or higher in Computer Science/IT/Engineering/STEM

Master's degree

DoD 8570.01-M / DoD 8140 IAT Level II or III certification

VMware VCP/VCAP

RHCE

Microsoft Certified: Windows Server Hybrid Administrator Associate

Tools

VMware vSphere/ESXi

Nutanix AHV

vSAN

SCCM

Rsyslog/Syslog-ng

Splunk Elastic SIEM

Job description

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success! Job Summary JCS Solutions 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 Government technical leadership team to help drive innovation, growth, and efficiencies within the I3TS portfolio. Clearance: Active TS/SCI Clearance at time of consideration. US Citizenship required. What's in it for you:

What's in it for you:

• Join a premier technology firm specializing in innovative solutions.
• Be part of a collaborative, inclusive, and innovative work culture.
• Enjoy tremendous growth potential in a high-performing team environment.
• A robust benefits package:
• Health, dental, and vision insurance
• Life insurance
• Short-and-long term disability
• Paid time off (PTO)
• 401k retirement plan with employer match
• Annual Professional Development Reimbursement Program
• And more!

What you will do:

• 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).

What you will bring:

• US Citizenship required
• 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+ 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).

How will you wow us:

• Experience Designing, deploying, and maintaining IT infrastructures for DTRA or other DoW organizations. JCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers' mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities. JCS is both a Great Place to Work and a Top Places to Work certified company. Our employees embody our core values, and we are looking for others who do too!
• Customer Experience: Strive for excellence and delight our clients
• Innovation: Embrace creative thinking to enable continual growth and powerful solutions
• Accountability: Take ownership of and pride in our actions and service delivery
• Inspire: Be inspired to be your best self and have fun in the process
• Integrity: Do the right thing, the right way, every time!
• Stewardship: The careful and responsible management of something entrusted to our care. At JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $116,000.00 to $167,000.00 Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to any protected status protected by applicable federal, state, or local laws. NOTICE: Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. We want to emphasize that we do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.