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Network Engineer – Top Secret Clearance | Norfolk, VA

Cambridge International Systems, Inc.

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.

We are currently seeking a Network Engineer to support operations in Norfolk, VA. This is a full-time position requiring an active DoD TS clearance.

This position is contingent upon contract award with an expected award date of January 2026.

What You’ll Do

+ Provide network engineering, administration, and cybersecurity support for multi-classification cyber OT&E networks and infrastructure.

+ Design, install, configure, and maintain cyber labs (attack, analysis, training), toolsets, and flyaway kits.

+ Create virtualized environments to support test events, ensure operational readiness, and troubleshoot issues during execution.

+ Administer network systems: apply patches, harden systems, review logs, and ensure physical/electronic security.

+ Support RMF compliance activities, including documentation and vulnerability analysis.

+ Configure networks to support penetration testing and on-keyboard cyber training events.

+ Integrate server and virtual hosting technologies into secure network architecture.

+ Coordinate with stakeholders and brief OPTEVFOR leadership on a weekly basis.

What You’ll Bring

Required Qualifications:

Education & Experience:

+ Bachelor’s degree in IT, Cybersecurity, or a related field (ABET/CAE-accredited) OR 5+ years' experience in network design, infrastructure, and security.

+ At least 3 years of RMF security testing experience.

Technical Expertise:

+ Hands-on experience configuring routers, switches, firewalls, and load balancers.

+ Proficiency in Python, Perl, or shell scripting for automation.

+ Experience applying STIGs, IAVA compliance, and DoD cybersecurity policies.

+ Familiarity with RMF, network segmentation, and defense-in-depth design.

Certifications:

+ Must have a current and active DoD TS security clearance with the ability to obtain a SCI clearance.

+ Proficient with modern IT tools and infrastructure technologies

Preferred (Nice to Have):

+ Working knowledge of LAN/WAN architecture, VPN security, PKI, and common attack vectors.

+ Familiarity with Simple Network Management Protocol (SNMP) tools and traffic analysis.

+ Experience supporting DoD environments and cyber OT&E missions.

+ Understanding of RMF documentation, security assessments, and accreditation artifacts.

Travel & Passport

+ Some overnight stays possible.

Work Environment

+ Compliance with vaccination and medical requirements for TDY/OCONUS roles as per Vaccine Recommendations by AOR | Health.mil.

Office setting:

+ Primarily an office-based role in Norfolk, VA

+ Standard desk/computer work with flexibility for walking and movement on site

+ Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday.

+ Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc.

+ May be required to travel short distances to offices/conference rooms and buildings on site.

Background & Security

+ Employment is contingent upon successful background investigation

+ Drug screening may be required for federal contract compliance

Benefits & Perks

We believe in investing in our team—both professionally and personally:

+ Medical, dental, vision, life, accident, and critical illness insurance

+ 401(k) immediate vesting and match

+ Paid time off and company holidays

+ Generous tuition & training support

+ Relocation assistance

+ Sign-on and performance-based bonuses

+ Employee referral program

+ Access to Tickets at Work, EAP, wellness initiatives, and more

Join Us

If you're driven by mission, technology, and teamwork—we want to hear from you. Cambridge is growing, and this position is just one of many opportunities on our global team. Know someone perfect for the role? Referrals are welcome—both employees and non-employees may qualify for a bonus.

Apply today and help shape the future of secure cloud computing for national security.

About Cambridge International Systems

At Cambridge, innovation grows through diversity. We are proud to be an equal opportunity employer, committed to creating an inclusive and supportive work environment for all. Learn more at www.cbridgeinc.com.

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