Title: Network Engineer (CSSP Infrastructure Support) Positions Contingent on Contract Award KBR is actively seeking skilled professionals across a variety of high-impact cybersecurity rolesu2014from 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 candidateu2019s 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 candidateu2019s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity. Education / Experience Level III: 5 years with a Bacheloru2019s 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 candidateu2019s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity. Cybersecurity Engineer I-III Education / Experience Level I: Bacheloru2019s 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 candidateu2019s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity. Education / Experience Level II: Bacheloru2019s 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 candidateu2019s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity. Education / Experience Level III: Masteru2019s 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 candidateu2019s 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 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 teamu2019s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver u2013 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.