Sr Cyber Security Engineer Security Clearance

Position: Sr Cyber Security Engineer with Security Clearance
Description src is seeking an associate cybersecurity architect to partner with and report directly to the senior cybersecurity architect - cyber team lead. Together, you will define, execute, and scale the cybersecurity architecture strategy across integrated systems. As the second-in-command for cybersecurity, you will support the cyber team lead in securing the full spectrum of integrated systems-encompassing custom-developed, cots, gots, and third-party vendor components.

You will serve as a key technical authority and authorized delegate for the senior architect, guiding multi-disciplinary engineering teams, subcontractors, and program leadership through the unique challenge of building and protecting critical systems and facilities in an evolving threat landscape. Responsibilities
* security architecture & strategy
* partnering with the senior cybersecurity architect to define and maintain the cybersecurity architecture vision, encompassing network security, application security, data protection, identity and access management (iam), and endpoint security
* co-developing and governing cybersecurity reference architectures, standards, and design patterns that ensure a consistent security posture across internal engineering teams and vendor-delivered components
* supporting the enterprise-wide adoption of zero trust architecture (zta), helping to define segmentation strategies, identity verification models, and least-privilege access controls
* assisting in cybersecurity technology roadmap development, identifying strategic investments, capability gaps, and modernization priorities
* collaborating to architect cybersecurity controls that account for mission-essential and national security operational implications-ensuring mechanisms do not introduce latency or single points of failure
* integration security & governance
* conducting security architecture assessments across the usspacecom system portfolio, identifying vulnerabilities and trust boundary gaps
* co-managing security interface requirements and security-relevant interface control documents (icds) for system-to-system data exchanges
* conducting technical security reviews of vendor and subcontractor deliverables to ensure alignment with enterprise cybersecurity standards
* acting as the alternate chair or co-chair for security architecture review boards on behalf of the senior architect to adjudicate security trade-offs and enforce architectural standards
* compliance & risk
* working with leadership to ensure enterprise-wide compliance with fedramp, rmf, nist 800-53, fisma, dod/faa cybersecurity directives, and agency policies
* supporting threat modeling, risk assessments, and attack surface analyses across the integrated enterprise
* collaborating with cybersecurity operations, incident response, and security monitoring teams to ensure architectural designs support effective detection and recovery
* assisting in architecting security solutions for hybrid and multi-cloud environments (aws govcloud, azure government) to meet federal compliance
* leadership & communication
* serving as a trusted advisor, sounding board, and operational deputy to the cyber team lead
* acting as the primary delegate for the senior architect in executive briefings, customer meetings, and cross-functional planning sessions when required
* mentoring and guiding security engineers, solution architects, and development teams to ensure cybersecurity is preserved
* driving cross-functional alignment across software engineering, data architecture, infrastructure, and operations teams to execute the lead architect's strategic vision #li-lh1 requirements
* 10-15+ years of experience in cybersecurity architecture, security engineering, or enterprise it security within large-scale government or defense programs
* bachelor's degree in computer science, cybersecurity, information systems, computer engineering, or a related field (or 4 additional years of relevant experience in lieu of degree)
* relevant industry certifications such as cissp, ccsp, cism, issap, or gicsp
* demonstrated experience within a systems integrator environment, securing multi-vendor, multi-technology solutions across complex trust boundaries
* deep expertise in zero trust architecture (zta), network security design, iam, and data protection strategies at enterprise scale
* mastery of fedramp, rmf, nist 800-53, fisma, and federal cybersecurity governance frameworks
* proven ability to step into a leadership role, act decisively as a second-in-command, and drive security alignment across engineering and operations teams desired skills
* experience securing faa, aviation, national airspace systems, or defense command and control (c4i) systems
* background in securing real-time systems, low-latency architectures, and edge computing environments
* experience with network security architecture (sd-wan, micro-segmentation) within large-scale environments
* familiarity with devsecops pipeline security,…