Senior Information System Security Engineer (ISSE)

Our Partner is building a team of highly qualified professionals specializing in Cybersecurity, Cloud, and Systems Engineering to support the development and sustainment of secure enclaves at the edge. You’ll deliver enterprise services and cyber network defense capabilities.

As a Senior Information System Security Engineer (ISSE), you will provide expert engineering support to ensure the confidentiality, integrity, and availability of mission-critical systems. You will perform technical security assessments, design secure solutions, automate reporting, and guide leadership on cybersecurity risks, vulnerabilities, and mitigation strategies.

You will work with technologies such as ePO, Splunk, ACAS, Azure Automation, STIG/SCAP, Active Directory, and Azure security services to secure enterprise environments in alignment with DoD cybersecurity policies and standards.

Responsibilities

• Perform and review technical security assessments of computing environments to identify vulnerabilities, compliance gaps, and recommend mitigations
• Architect and engineer innovative solutions to support ongoing Cyber Threat and Defensive Operations
• Provide functional expertise and technical recommendations to ISSOs, ISSEs, and ISSMs
• Automate threat assessment, posture reporting, and system monitoring activities
• Analyze system and organizational security posture trends and report findings to the ISSM/ISSO
• Recommend cybersecurity measures based on significant threats and vulnerabilities
• Implement security controls in alignment with confidentiality, integrity, availability, authentication, and non-repudiation principles
• Develop and recommend modifications based on exercise or test results
• Mitigate or recommend acceptance of identified risks and deficiencies during certification, testing, or operational reviews
• Act as a technical lead and mentor to engineers at all levels to elevate team capacity and performance
• Lead by example through high-quality engineering excellence

• TS/SCI Clearance
• Bachelor’s degree in Computer Science, Engineering, or related field and 3+ years of leadership experience, or equivalent experience
• Certification: IAT/IAM/IASAE Level III (DoD 8570 compliant)
• 8-12 years of demonstrated performance in related technology areas
• Ability to travel (up to 10% potentially)
• Advanced skills in the following:
• Active Directory (AD DS, ADFS, AD CS, WSUS)
• ePO, Splunk, STIG/SCAP, YUM, ACAS automation
• Azure VPN Gateways, Azure Monitor/Log Analytics
• SAP systems security
• GPOs
• SQL Server STIG hardening
• Must have proven, day-one depth of knowledge across ePO, ACAS, and Splunk
• Must be able to build systems from scratch
• Must have troubleshooting experience with the deployment and maintenance
• Must have understanding of how the tools are different when they move to hyperscale
• Must be able to lead, guide and mentor the other Information System Security Engineers
• Must have Network compliance regulations knowledge
• Must have experience with Compliance & Frameworks (NIST, JSIG/RMF, SCTM)
• Must have experience with Hyperscale, Architecture and Integration
• Must have Automation & Reporting experience
• Must be able to continuously improve processes and team velocity
• Must be able to communicate complex security concepts to non-technical stakeholders

Desired Skills

• 5+ years leadership experience in a related technical or cybersecurity area
• Technical certifications in Microsoft Azure or related cloud technologies