Security Engineer (CMMC)

Networking Technologies + Support; Chesterfield Court House (VA); On-site; USD 90,000 - 100,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Employee discount

Health insurance

Life insurance

Paid time off

Professional development assistance

Vision insurance

Job summary

Networking Technologies + Support (NTS) is seeking a Security Engineer to design, implement, and defend secure enterprise network infrastructures while ensuring CMMC compliance for clients across various industries.

The role emphasizes hands-on security engineering, secure network architecture, and collaboration with engineering teams to deliver robust cybersecurity solutions. Rely on extensive experience with Cisco routing and switching and modern security controls.

Qualifications

• Experience supporting CMMC compliance.
• Strong background in designing secure enterprise network architectures.
• Proficient with Cisco routing/switching and related security controls.
• Ability to document architectures, risks, and remediation plans.

Responsibilities

• Design, implement, and support secure enterprise network architectures.
• Meet CMMC requirements across environments and systems.
• Configure, optimize, and troubleshoot enterprise network infrastructure.
• Develop and maintain network diagrams and security documentation.
• Lead security assessments, audits, and remediation activities.
• Mentor junior engineers and collaborate with client teams.

Skills

CMMC compliance experience

Enterprise networking

Cisco routing & switching

Security architecture

Team collaboration & communication

Education

Bachelor's degree in CS/EE or related field

Tools

Cisco IOS

Firewall administration

VPN technologies

ACLs & network security controls

Job description

Join a Team That Secures Innovation

At Networking Technologies + Support (NTS), we're passionate about delivering secure, innovative technology solutions that help organizations thrive. As a leading Managed Services Provider (MSP), we design, implement, and support enterprise infrastructure, cybersecurity, and networking solutions for commercial, healthcare, government, and regulated industries.

We are seeking an experienced Security Engineer with expertise in Cybersecurity Maturity Model Certification (CMMC) and enterprise security architecture to join our growing engineering team.

Position Overview

The Security Engineer will be responsible for designing, implementing, securing, and supporting enterprise network and security infrastructures while ensuring compliance with CMMC and other cybersecurity frameworks. This role requires strong experience with secure network architecture, security controls, risk mitigation, and enterprise networking technologies.

The ideal candidate is a hands‑on technical expert who enjoys solving complex security challenges while working collaboratively with clients and internal engineering teams.

Responsibilities

• Design, implement, and support secure enterprise network architectures.


• Design and maintain environments that meet Cybersecurity Maturity Model Certification (CMMC) requirements.


• Implement and maintain security controls aligned with industry 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 and troubleshoot 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.

Required Qualifications

• Demonstrated experience supporting organizations with CMMC compliance (Required)


• Minimum 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.

Strong understanding of:

• BGP


• OSPF


• EIGRP


• VLANs


• STP


• VTP


• VRFs

Experience implementing and supporting:

• Enterprise Firewalls


• VPN technologies


• Access Control Lists (ACLs)


• 802.1X Network Access Control


• Experience with Microsoft enterprise environments and secure infrastructure.


• Excellent analytical, troubleshooting, and documentation skills.


• Strong verbal and written communication skills.


• Ability to work independently and collaboratively within a team.


• Required Certifications

Candidates should possess one or more of the following:

• Active experience supporting CMMC compliance (Required)


• Cisco CCNP Enterprise or CCNP Data Center


• Cisco CCIE or CCDE


• Offensive Security Certified Professional (OSCP)

Preferred Qualifications

Experience with one or more of the following is highly desirable:

• Alto Networks


• Fortinet


• Juniper Networks


• Meraki


• HPE Aruba


• Sophos


• Brocade

Additional cybersecurity certifications are a plus:

• PNPT


• CRTO


• eCPPT


• CPTS


• CRTP

Experience with advanced security research and offensive security technologies:

• DragonOS


• RF Hacking


• Software-Defined Radio (SDR)


• HITB Training

Why Join NTS?

• Competitive salary based on experience and certifications


• Comprehensive benefits package


• Opportunities for professional development and advanced technical training


• Exposure to enterprise infrastructure and cybersecurity projects


• Collaborative engineering culture with experienced technical professionals


• Career advancement opportunities within a growing Managed Services Provider

Pay: 90k - 100k

Benefits:

401(k) matching
Dental insurance
Employee discount
Health insurance
Life insurance
Paid time off
Professional development assistance
Vision insurance

If you're passionate about cybersecurity, enterprise networking, and helping organizations build secure, resilient environments while supporting CMMC compliance, we'd love to hear from you.