Information System Security Engineer (ISSE)

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

• →Design, implement, and maintain enterprise security architecture aligned with NIST RMF, DoD STIGs, CIS benchmarks, and organizational cybersecurity policies
• →Perform security engineering activities across system development lifecycle (SDLC), including requirements analysis, system design reviews, security testing, and accreditation support
• →Implement vulnerability management processes utilizing Tenable Nessus, ACAS, and Qualys to identify, assess, and remediate system vulnerabilities
• →Integrate cybersecurity requirements into Windows and Linux server environments, cloud infrastructure, virtualization platforms, and containerized applications
• →Support incident response and forensic investigations by analyzing security logs, SIEM alerts, network traffic, and endpoint telemetry using Splunk Enterprise
• →Develop automation scripts using PowerShell, Bash, and Python to streamline vulnerability remediation, account auditing, compliance reporting, and security monitoring tasks
• →Collaborate with system administrators, network engineers, ISSOs, and application teams to remediate security findings and implement secure configuration baselines
• →Perform security impact analysis for system changes, software deployments, and infrastructure upgrades to ensure continued compliance and operational security
• →Engineer endpoint protection and hardening solutions utilizing Trellix ePO – On-prem, host-based firewalls, and application whitelisting technologies
• →Evaluate and implement cybersecurity tools and technologies to improve system security posture, continuous monitoring, and threat detection capabilities
• →Produce technical security documentation, architecture diagrams, standard operating procedures (SOPs), and executive-level risk assessment reports
• →Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk
• →Monitor, analyze, and detect cyber events and incidents within information systems and networks under general supervision
• →Assist with integrated, dynamic cyber defense, coordinate and maintain security toolsets to support organizations’ continuous monitoring and ongoing authorization programs
• →Establish a framework by which cyber risk can be measured and quantified in the marketplace
• →Determine security requirements by evaluating business strategies and requirements; researching information security standards; conducting system security and vulnerability analyses and risk assessments; studying architecture/platform; identifying integration issues; preparing cost estimates
• →Implement security systems by specifying intrusion detection methodologies and equipment; directing equipment and software installation and calibration; preparing preventive and reactive measures; creating, transmitting, and maintaining keys; providing technical support; completing documentation. Verify security systems by developing and implementing test scripts
• →Maintain security by monitoring and ensuring compliance to standards, policies, and procedures; conducting incident response analyses; developing and conducting training programs
• →Responsible for the design, development, implementation, and integration of a DoD IA architectures, systems, or system components for use within computing, network, and enclave environments
• →Ensure that the architecture and design of development and operational systems are functional and secure
• →This includes designs for program of record systems and special purpose processing nodes with platform IT interconnectivity

• Location: On-Site – 540 National Business Parkway, Annapolis Junction, MD
• Travel Requirements: Minimal
• Working Hours: Standard

• Requires Top Secret clearance with SCI
• Must have a DoD 8570.1-M/8140 IAT Level III certification (SecurityX (CASP), GCIH, CISA, CISSP) compliant
• Strong background in networking (TCP/IP, firewalls, VPNs), cloud security (AWS/Azure), Kubernetes, and DevSecOps
• Deep understanding of NIST SP 800-161, NIST RMF, FedRAMP, Common Criteria, ATO package development, and cybersecurity compliance (STIGs)
• Hands-on experience managing and deploying Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux and Ubuntu Linux
• Experience with scripting and automation with Powershell, Python, Bash and Ansible
• Proven experience in leading projects and mentoring junior ISSE's
• Present technical briefings to leadership