Network Engineer (SME)

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success!

Job Summary
JCS Solutions is seeking an experienced Network 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) in Fort Belvoir, VA. The Network Engineer will work closely with the Government technical leadership team to help drive innovation, growth, and efficiencies within the I3TS portfolio.
Clearance: Must have an active TS/SCI clearance at time of consideration. U.S. Citizen is a must.

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) Network & Security Engineer will architect and operate secure, dual-layer cryptographic boundaries utilizing Cisco and Aruba IPsec/SSL VPNs and dynamic routing (BGP/OSPF) in strict compliance with NSA Capability Packages. In this role, you will author and tune Palo Alto NGFW security policies and IDS/IPS threat prevention signatures, implement enterprise network access control and 802.1X policies via Cisco ISE and Aruba ClearPass, integrate enterprise PKI/OCSP services and hardened NTP, and generate key engineering artifacts required for NSA CSfC PMO registration and compliance auditing.
• Architect, deploy, and maintain CSfC infrastructure operating within Black/Gray/Red networks.
• Design, configure, and maintain multi-layered Commercial Solutions for Classified (CSfC) architectures in alignment with NSA Mobile Access (MA), Multi-Sight (MSC) Capability Packages, with Campus Wireless LAN (WLAN) experience a bonus. Ensure strict compliance with vendor diversity and dual-tunnel encryption mandates.
• Understanding of NIAP approved list and monitors for changes
• Design, configure, and maintain multi-layered Commercial Solutions for Classified (CSfC) architectures in alignment with NSA Capability Packages (MSC, MA, and CWLAN). Ensure strict compliance with vendor diversity and dual-tunnel encryption mandates.
• Implement enterprise routing protocols (BGP, OSPF) alongside redundant outer and inner IPsec VPN tunnels across Cisco and Aruba appliances. Configure remote access SSL VPNs and ensure end-to-end traffic separation.
• Author, optimize, and audit Palo Alto Next-Generation Firewall (NGFW) security policies, App-ID, User-ID, and URL filtering. Configure and tune Palo Alto IDS/IPS threat signatures, anti-spyware, and vulnerability protection.
• Architect and manage Cisco Identity Services Engine (ISE) and Aruba ClearPass policy managers for 802.1X network access control, RADIUS/TACACS+ administration, posture assessment, and endpoint profiling.
• Integrate enterprise Public Key Infrastructure (PKI) components, managing X.509 certificate lifecycles, Certificate Authorities (CAs), CRL/OCSP validation, and hardened, authenticated Network Time Protocol (NTP) infrastructure.
• Prepare CSfC compliance artifacts, Key Management Plans (KMPs), Continuous Monitoring Plans (CMPs), and registration packages for NSA CSfC PMO submission.

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 relevant experience. Specific experience, education and training may be considered in lieu of degree.
• 12+ years of progressive network 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 or more of: Cisco CCNA, CCNP, Aruba ACSA or ACSP.
• Proven expertise configuring Cisco (IOS-XE/ASR) and Aruba (Mobility Controllers/Gateways) IPsec and SSL VPNs, including IKEv2, Suite B/CNSA cryptography, and dynamic routing (BGP, OSPF).
• Demonstrated engineering experience with Palo Alto Networks firewalls (PAN-OS), Panorama central management, and advanced IDS/IPS inspection profiles.
• Hands-on deployment experience with both Cisco ISE and/or Aruba ClearPass implementing 802.1X, EAP-TLS authentication, and role-based access policies.
• Strong working knowledge of X.509 certificates, CA hierarchy integration, certificate revocation lists (CRLs), OCSP, and secure NTP stratum synchronization.
• Direct prior experience preparing and successfully registering NSA CSfC Capability Package solutions (Mobile Access, Multi-Site Connectivity, or Campus WLAN).
• Deep understanding of Commercial National Security Algorithm (CNSA) Suite requirements, post-quantum readiness considerations, and hardware security modules (HSMs).
• Familiarity with Ansible, for automating network device configuration backups, policy compliance checks, and certificate rotations.
• Certified in any of the following - Cisco CCNP/CCIE (Security or Enterprise), Palo Alto PCNSE, Aruba Certified ClearPass Expert (ACCX), or Aruba Certified Mobility Expert (ACMX).

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: $87,000.00 to $127,000.00.

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.