Network Engineer (CSSP Infrastructure Support)

KBR, Inc; Washington (District of Columbia); On-site; USD 65,000 - 98,000; Full time

Job summary

An established industry player is seeking a skilled Network Engineer to enhance its cybersecurity infrastructure. This role involves designing, implementing, and maintaining secure network systems while ensuring compliance with DoD policies. You will leverage your expertise in network security, routing, and firewall configurations to support mission-critical operations. Join a forward-thinking company that values innovation and teamwork, where your contributions will help shape a resilient and secure network environment. If you are passionate about cybersecurity and eager to make a difference, this opportunity is perfect for you!

Benefits

401K plan with company match

Medical, dental, and vision insurance

Life insurance and AD&D

Flexible spending account

Paid time off

Flexible work schedule

Professional training and development

Qualifications

• 2-5 years of experience in Cybersecurity or related fields.
• 8570 Compliant IAT 2 or 3 certification required.
• Secret / Top Secret SCI clearance needed.

Responsibilities

• Design and maintain secure network architectures for classified environments.
• Monitor network traffic and logs for anomalies and security events.
• Provide Tier 3 network troubleshooting and technical support.

Skills

Network Security

Routing

Switching

Firewall Configurations

Secure Communication Protocols

Incident Response

Scripting (Python, PowerShell, Bash)

Education

High School Diploma or GED

Bachelor's Degree in Cybersecurity

Master's Degree in Cybersecurity

Tools

SIEM (e.g., Splunk)

Network Monitoring Tools (e.g., SolarWinds, Wireshark)

Job description

Title:

Network Engineer (CSSP Infrastructure Support)

Positions Contingent on Contract Award

KBR is actively seeking skilled professionals across a variety of high-impact cybersecurity roles—from Incident Response and Cyber Hunt to Digital Forensics, Insider Threat, Continuous Monitoring, and Red/Blue Team Operations.

Network Engineer

Job Description:

The Network Engineer is responsible for the design, implementation, maintenance, and security of NIWC CSSP network infrastructure, ensuring its resiliency, scalability, and compliance with DoD cybersecurity policies. This role requires strong expertise in network security, routing, switching, firewall configurations, and secure communication protocols to support mission-critical operations. The engineer will also work closely with incident response, continuous monitoring, and vulnerability.

Key Responsibilities:

- Design, configure, and maintain secure network architectures for classified and unclassified NIWC CSSP environments.

- Implement and manage firewalls, intrusion detection/prevention systems (IDS/IPS), and network access controls (NAC) to prevent unauthorized access.

- Monitor network traffic and logs for anomalies, security events, and performance issues using SIEM and network monitoring tools (e.g., Splunk, SolarWinds, Wireshark).

- Ensure compliance with DoD network security policies, including STIGs, RMF, and CJCSM 6510.01.

- Configure and optimize routers, switches, VPNs, and load balancers to ensure high availability and secure connectivity.

- Support implementation of Zero Trust Architecture (ZTA) by segmenting networks and applying least-privilege access controls.

- Perform vulnerability assessments on network devices and coordinate mitigation plans in collaboration with cybersecurity teams.

- Manage encryption solutions and cryptographic key handling to protect data in transit.

- Provide Tier 3 network troubleshooting and technical support to CSSP subscribers and internal teams.

- Automate network security monitoring and incident detection using scripting languages (Python, PowerShell, Bash).

- Participate in cybersecurity assessments and audits to validate network security posture.

- Develop and maintain network documentation, SOPs, and topology diagrams.

- Coordinate with external DoD entities (DISA, USCYBERCOM, JFHQ-DODIN) on network security initiatives.

Qualifications

Information Systems Security Specialist I-III

Education / Experience Level I: High School Diploma or GED; Experience: Two (2) years of practical experience demonstrating competency in Cybersecurity or related experience.

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3

Salary range: $65,200 - $97,700. 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.

Education / Experience Level II: High School Diploma or GED; Experience: Two (3) years of practical experience demonstrating competency in Cybersecurity or related experience.

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3 and meet one of subsequent DoD 8140 manual of CND Auditor, CND Analyst, CNDSP Manager, CND Incident Responder, CND Infrastructure Support, IASAE I or IASAE II

Salary range: $74,000 - $110,900. 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.

Education / Experience Level III: 5+ years with a Bachelor’s degree or 7+ years with HS/GED in Cybersecurity or related experience.

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3 and meet one of subsequent DoD 8140 manual of CND Auditor, CND Analyst, CNDSP Manager, CND Incident Responder, CND Infrastructure Support, IASAE I or IASAE II

Salary range: $89,200 - $133,000. 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.

Cybersecurity Engineer I-III

Education / Experience Level I: Bachelor’s degree in Cybersecurity or related discipline. Experience: No Experience needed

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3

Salary range: $80,700 - $121,000. 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.

Education / Experience Level II: Bachelor’s degree in Cybersecurity or related discipline. Experience: 3 years of professional experience in a related cybersecurity / IT Field

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3

Salary range: $99,300 - $149,000. 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.

Education / Experience Level III: Master’s degree in Cybersecurity or related discipline. Experience: 10 years of professional experience in a related cybersecurity / IT Field

Clearance Requirement: Secret / Top Secret SCI

Certification Requirements: 8570 Compliant IAT 2 or 3

Salary range: $139,700 - $209,600. 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.

Benefits:

KBR offers a selection of competitive lifestyle benefits which could include a 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.

Belong, Connect and Grow at KBR

At 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.