Network Engineer (CSSP Infrastructure Support)

KBR, Inc.; San Antonio (TX); On-site; USD 65,000 - 133,000; Full time

Job summary

An established industry player is seeking a Network Engineer to enhance their cybersecurity infrastructure. This role involves designing, implementing, and maintaining secure network architectures, ensuring compliance with DoD policies, and collaborating with incident response teams. You will play a pivotal role in safeguarding mission-critical operations while working with advanced network security tools. Join a forward-thinking organization that values professional growth and offers a comprehensive benefits package, including flexible work schedules and development opportunities. If you are passionate about cybersecurity and thrive in a dynamic environment, this position is perfect for you.

Benefits

401K with match

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Time Off

Flexible Work Schedules

Qualifications

• 2-10 years of experience in Cybersecurity or related fields.
• Clearance: Secret / Top Secret SCI required.

Responsibilities

• Design and maintain secure network architectures for classified environments.
• Monitor network traffic for anomalies and security events.
• Automate network security monitoring using scripting languages.

Skills

Network Security

Routing

Switching

Firewall Configurations

Secure Communication Protocols

Incident Response

Vulnerability Management

Scripting (Python, PowerShell, Bash)

Education

High School Diploma or GED

Bachelor’s Degree

Master’s Degree

Tools

Splunk

SolarWinds

Wireshark

Job description

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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—including Incident Response, Cyber Hunt, 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 management teams.

Key Responsibilities

1. Design, configure, and maintain secure network architectures for classified and unclassified NIWC CSSP environments.
2. Implement and manage firewalls, intrusion detection/prevention systems (IDS/IPS), and network access controls (NAC) to prevent unauthorized access.
3. Monitor network traffic and logs for anomalies, security events, and performance issues using SIEM and network monitoring tools (e.g., Splunk, SolarWinds, Wireshark).
4. Ensure compliance with DoD network security policies, including STIGs, RMF, and CJCSM 6510.01.
5. Configure and optimize routers, switches, VPNs, and load balancers to ensure high availability and secure connectivity.
6. Support implementation of Zero Trust Architecture (ZTA) by segmenting networks and applying least-privilege access controls.
7. Perform vulnerability assessments on network devices and coordinate mitigation plans in collaboration with cybersecurity teams.
8. Manage encryption solutions and cryptographic key handling to protect data in transit.
9. Provide Tier 3 network troubleshooting and technical support to CSSP subscribers and internal teams.
10. Automate network security monitoring and incident detection using scripting languages (Python, PowerShell, Bash).
11. Participate in cybersecurity assessments and audits to validate network security posture.
12. Develop and maintain network documentation, SOPs, and topology diagrams.
13. Coordinate with external DoD entities (DISA, USCYBERCOM, JFHQ-DODIN) on network security initiatives.

Qualifications

Education / Experience Levels I-III

• Level I: High School Diploma or GED; 2 years of practical experience in Cybersecurity or related fields. Clearance: Secret / Top Secret SCI. Certification: 8570 Compliant IAT 2 or 3. Salary range: $65,200 - $97,700.
• Level II: High School Diploma or GED; 3 years of experience. Same clearance and certification requirements. Salary range: $74,000 - $110,900.
• Level III: 5+ years with a Bachelor’s degree or 7+ years with HS/GED. Same clearance and certification requirements. Salary range: $89,200 - $133,000.

Cybersecurity Engineer I-III

• Level I: Bachelor’s degree; no experience needed. Salary: $80,700 - $121,000.
• Level II: Bachelor’s degree; 3 years of experience. Salary: $99,300 - $149,000.
• Level III: Master’s degree; 10 years of experience. Salary: $139,700 - $209,600.

Benefits

KBR offers competitive benefits including 401K with match, medical, dental, vision, life insurance, AD&D, flexible spending, disability, paid time off, and flexible work schedules. We support professional growth through training and development.

At KBR, we foster a culture where everyone can Belong, Connect, and Grow. We are an equal opportunity employer, committed to diversity and inclusion.