Senior Security Architect

Summary Senior Cybersecurity Architect Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level! The Senior Cybersecurity Architect provides expert-level security architecture and design support for the unique research and development ecosystem at the Defense Advanced Research Projects Agency (DARPA). This role is responsible for designing the security infrastructure that enables DARPA’s high-risk, high-reward programs, advising mission owners on advanced cyber defense capabilities, and ensuring the agency’s modernization efforts (including Zero Trust and secure cloud adoption) are built on a resilient and compliant foundation. Responsibilities Design shared services and cloud infrastructure environments to achieve high-level security certification equivalents (e.g., FedRAMP HIGH). Plan, design, evaluate, and integrate cybersecurity solutions across the enterprise. Provide cybersecurity engineering services, including designing IT enterprise systems against existing and emerging cyber threats; developing and upgrading security capabilities of legacy systems. Coordinate security-related activities with information security architects, senior agency information security officers, system owners, common security control providers, and information system security officers. Facilitate the integration of security and privacy requirements in the Secure System Development Life Cycle (SDLC) to address security and privacy considerations in a cost-effective manner. Assess architecture and current solution limitations; define and design system specifications, input/output processes, and working parameters for solution compatibility. Provide security consulting, architecture, application security services, tools management, and engineering support for systems, emerging IT, and IT security initiatives. Ensure IT security is embedded and threaded throughout the IT architecture for all projects. Provide security architecture and engineering expertise across agency initiatives to ensure a secure enterprise encompassing internal systems, cloud services, and external/third-party service provider systems. Perform research, evaluation, and engineering of security technologies, products, and solutions designed to safeguard, monitor, and assess the security of organizational IT assets. Evaluate security products currently in use and those proposed for use, including analysis of individual products, their integration into the overall architecture, interactions with other products, and interfaces with external systems. Review, analyze, and comment on project-deliverable documents in support of the Software/System Development Lifecycle (SDLC) and System Engineering Life Cycle (SELC). Create, update, revise, and maintain Cyber Security Architecture, Engineering, and Security Tools documentation using industry best practices. Provide documentation support, architectural design, security engineering, application security, and cybersecurity tools management. Provide expert-level consultation and technical services on all aspects of cybersecurity, specifically continuous monitoring. Demonstrate leadership and foster a collaborative team approach; interact effectively with frontline staff and senior management, providing consultation and expert advice on information security-related topics. Other duties as assigned. Qualifications Bachelor's degree and 12+ years of relevant experience. Associate's degree and 14+ years of experience. High school diploma or GED equivalent, 16+ years of experience. 12+ years of overall experience in cybersecurity, with a proven track record of designing, building, and implementing enterprise security solutions. 7+ years of deep technical experience across multiple cybersecurity disciplines (e.g., network security, identity management, vulnerability management, cloud security). ISC(2) CISSP certification required. Top Secret Clearance with ability to obtain TS/SCI. Preferred Qualifications CISSP-ISSAP GDSA SABSA Chartered Security Architect (SCF/SCM/SCO) Additional relevant certifications (e.g., CISM, CEH) are a plus. Knowledge, Skills, and Abilities Direct, hands-on experience architecting a DoD Security Operations Center (SOC) or supporting CSSP/CPT operations is mandatory. Expert knowledge of network security principles, vulnerability scanners, secure configuration (CIS benchmarks), and database/OS security. Deep understanding of NIST frameworks (RMF, 800-53), ISO 27001, SOC2, and other compliance standards. Ability to translate tactical issues into a strategic perspective and apply critical thinking to solve complex problems. Proven ability to assess and weigh security risks in an operational environment. Ability to navigate political landscapes and build relationships at all levels. Excellent consulting, presentation, and interpersonal skills, with the ability to interact effectively with senior management and technical staff. Ability to work independently and as part of a collaborative team, managing shifting priorities effectively. How you’ll grow At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn. We offer opportunities to help sharpen skills in addition to hands‑on experience in the global, fast‑changing business world. From on‑the‑job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers. Benefits At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits. Learn more about what working at Chenega MIOS can mean for you. Chenega MIOS’s culture Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well‑being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives. Corporate citizenship Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill‑based volunteerism, and leadership to help drive positive social impact in our communities. Learn more about Chenega’s impact on the world. Tips from your Talent Acquisition Team We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. 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