ISSE — National Security Cyber Engineer (TS/SCI)

KBR, Inc; Lanham (MD); On-site; USD 108,800 - 163,200; Full time

Benefits offered by this job

Bonuses

Relocation benefits

Incentives

Job summary

KBR, Inc. is seeking an Information System Security Engineer (ISSE) to design and implement enterprise security aligned with NIST RMF and DoD standards at a secure on-site Annapolis Junction, MD facility.

You will lead vulnerability management, cloud security, and secure configurations across Windows, Linux, and container platforms. Responsibilities include SDLC security activities, incident response support, and producing executive risk assessments.

Qualifications

• Top Secret/SCI clearance required.
• DoD 8570.1‑M / 8140 IAT Level III certification (SecurityX/CASP, GCIH, CISA, CISSP) required.
• Strong background in networking, cloud security, Kubernetes, and DevSecOps.
• Knowledge of NIST RMF, STIGs, FedRAMP, and security compliance.
• Hands-on experience with Nessus, ACAS, Qualys, CyberArk, Splunk, VMware, and Linux/Windows systems.

Responsibilities

• Design, implement, and maintain enterprise security architecture aligned with NIST RMF, DoD STIGs, CIS benchmarks and policies.
• Perform security activities across SDLC including requirements analysis, design reviews, testing, and accreditation support.
• Manage vulnerabilities using Nessus, ACAS, and Qualys to identify, assess, and remediate findings.
• Integrate cybersecurity requirements into Windows/Linux servers, cloud, virtualization, and containers.
• Support incident response and forensics by analyzing logs and SIEM alerts with Splunk.

Skills

TS/SCI clearance

IAT Level III (Security+ CASP, GCIH, C

Tools

Tenable Nessus

ACAS

Qualys

CyberArk

Trellix

Splunk Enterprise

VMware vSphere

GitLab

Windows Server

Red Hat Enterprise Linux

Ubuntu Linux

Job description

KBR, Inc. is seeking an Information System Security Engineer (ISSE) to design and implement enterprise security aligned with NIST RMF and DoD standards at a secure on-site Annapolis Junction, MD facility.

You will lead vulnerability management, cloud security, and secure configurations across Windows, Linux, and container platforms. Responsibilities include SDLC security activities, incident response support, and producing executive risk assessments.