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Senior Network Security Engineer
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The Senior Network Security Engineer is responsible for the configuration, deployment, and management of the customer’s security appliances and infrastructure in a 24x7x365 environment. The…
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Cybersecurity AI Principal Engineer
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Cyber Security Systems Engineer / Contract to hire / Onsite / Carrollton, TX
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Sr. Security Engineer (Vulnerability Management)
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IT Vulnerability Engineer III (Must Reside in Texas)
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Randolph-Brooks Federal Credit Union is currently searching for an experienced and talented Vulnerability Engineer III to join our amazing IT Security team!
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Trinzic

Network Engineer

Huntsville, AL, United States

Compensation: $100,000 - 165,000.

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Job details

Pay: Compensation: $100,000 - 165,000.
Experience: 5+ years of experience administering enterprise Cisco networking environments.
Posting language: English
Posted: Nov 5, 2026

Original job description

Title:

Network Engineer

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Program Summary

KBR's Missile, Aviation, and Ground Systems (MAGS) division delivers mission engineering solutions for critical U.S. Army programs, specializing in aviation and ground systems, integrated air and missile defense, and threat and target systems. As a trusted partner of the U.S. Department of War, MAGS provides innovative, technology-driven solutions to enhance national security. With a global presence and a strong ethical framework, KBR ensures secure, effective, and mission-ready capabilities worldwide.

Job Summary

KBR is seeking a Network Engineer to support enterprise network infrastructure within classified and unclassified mission environments. The selected candidate will be responsible for the administration, maintenance, troubleshooting, and modernization of Cisco-based networking technologies, ensuring secure and reliable connectivity across mission systems.

The ideal candidate possesses strong hands-on experience with Cisco routing, switching, firewalls, VPN technologies, and network security. This position will also work closely with system administrators and storage engineers to support datacenter connectivity, storage networking, disaster recovery initiatives, and infrastructure modernization efforts.

Key Responsibilities

Administer, maintain, and troubleshoot Cisco enterprise routing and switching infrastructure.
Configure and support Cisco firewalls, VPN solutions, and network security technologies.
Monitor network performance, availability, and capacity while identifying opportunities for optimization.
Manage VLANs, routing protocols, network segmentation, and access control policies.
Support network modernization efforts, hardware refreshes, and infrastructure upgrades.
Troubleshoot complex network performance and connectivity issues across enterprise environments.
Develop and maintain network diagrams, configuration baselines, and technical documentation.
Implement and maintain network security controls supporting classified environments.
Coordinate with cybersecurity personnel to support RMF compliance, vulnerability remediation, STIG implementation, and security hardening activities.
Collaborate with systems and storage administrators to support SAN, NAS, disaster recovery, and datacenter infrastructure initiatives.
Provide technical recommendations regarding network architecture, performance, resiliency, and future infrastructure requirements.

Basic Qualifications

U.S. Citizenship required.
Active Secret clearance or ability to obtain and maintain one.
5+ years of experience administering enterprise Cisco networking environments.
Experience with Cisco routing, switching, VLANs, VPNs, and firewall technologies.
Experience troubleshooting enterprise network infrastructure.
Experience developing technical documentation and network diagrams.
Strong analytical, problem-solving, and customer service skills.

Preferred Qualifications

Cisco CCNA, CCNP, or higher certification.
Security+ CE or equivalent DoD 8140/8570 certification.
Experience supporting classified Department of Defense environments.
Experience with Cisco Firepower, ASA, ISE, or similar security platforms.
Experience supporting TACLANE (KG-175 series) or other NSA Type 1 encryption devices.
Familiarity with Fibre Channel, iSCSI, SAN, and NAS technologies.
Familiarity with Dell PowerStore, PowerScale, NetApp, Pure Storage, or similar enterprise storage platforms.
Familiarity with Veeam, Dell PowerProtect, Cohesity, Rubrik, or similar backup solutions.
Experience with RMF, NIST 800-53, DISA STIGs, and vulnerability management.
Experience with PowerShell, Python, or infrastructure automation.
Familiarity with Windows Server and Linux operating systems.

Compensation: $100,000 - 165,000.

The salary range posted is based on the national average. The offered rate will be based on the selected candidate’s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity.

Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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