Senior Security Engineer, CMMC & Enterprise Networking

Networking Technologies and Support, Inc.; Virginia (IL); On-site; USD 90,000 - 100,000; Full time

Benefits offered by this job

401(k) matching

Health insurance

Life insurance

Paid time off

Vision insurance

Job summary

Networking Technologies + Support (NTS) is seeking an experienced Security Engineer to design, implement, and secure enterprise networks while ensuring CMMC compliance. You will work with clients and internal teams to deliver robust security architectures and modern connectivity.

The role emphasizes hands-on expertise, documentation, and collaboration across engineering groups to mitigate risks, implement controls, and support audits.

Qualifications

• Demonstrated experience supporting organizations with CMMC compliance (Required).
• 5–10 years of enterprise networking and security engineering experience.
• Strong experience designing and implementing secure enterprise network architectures.
• Expert knowledge of Cisco routing and switching technologies.
• Extensive experience configuring and troubleshooting enterprise networking equipment.

Responsibilities

• Design, implement, and support secure enterprise network architectures.
• Design and maintain environments that meet CMMC requirements.
• Implement and maintain security controls aligned with best practices.
• Configure, optimize, and troubleshoot enterprise network infrastructure.
• Develop and maintain technical documentation, network diagrams, and security architecture documentation.
• Implement and support firewalls, VPNs, network segmentation, NAC, and secure remote access solutions.
• Configure routing and switching technologies in enterprise environments.
• Analyze security risks and recommend remediation strategies.
• Participate in security assessments, audits, and compliance initiatives.
• Collaborate with engineering teams to integrate secure network solutions into client environments.
• Provide technical leadership and mentorship to junior engineers.
• Stay current with emerging cybersecurity threats, technologies, and best practices.

Skills

CMMC compliance

Enterprise networking

Cisco routing & switching

Security architecture

VPN technologies

Network security controls

Tools

Cisco IOS

NAC

802.1X

Job description

Networking Technologies + Support (NTS) is seeking an experienced Security Engineer to design, implement, and secure enterprise networks while ensuring CMMC compliance. You will work with clients and internal teams to deliver robust security architectures and modern connectivity.

The role emphasizes hands-on expertise, documentation, and collaboration across engineering groups to mitigate risks, implement controls, and support audits.