NETWORK ENGINEER (CSSP INFRASTRUCTURE SUPPORT)

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

Job summary

KBR, Inc. is seeking a skilled Network Engineer for high-impact cybersecurity roles. The successful candidate will design and maintain resilient network infrastructures, ensuring compliance with DoD cybersecurity policies while supporting critical operations. With a focus on security, you will implement various technologies and collaborate with cybersecurity teams to safeguard network environments.

Benefits

401K plan with company match

Medical, dental, and vision insurance

Paid time off

Flexible work schedule

Career advancement training

Qualifications

• 2-10 years of experience based on certification tier.
• 8570 Compliant IAT 2 or 3 certification required.

Responsibilities

• Design, configure, and maintain secure network architectures.
• Implement and manage firewalls and intrusion detection systems.
• Monitor network traffic using SIEM tools.

Skills

Network Security

Routing

Switching

Firewall Configurations

Intrusion Detection

Scripting

Education

Bachelor’s degree in Cybersecurity

High School Diploma or GED

Tools

Splunk

SolarWinds

Wireshark

Job description

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.

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.

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.

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.

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

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

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

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.

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Network Engineer • Washington, DC, United States