Systems Architect

Responsibilities Peraton’s National Programs Business Intelligence Systems & Applications Operating Unit is seeking an experienced Systems Architect to support its SITE III DO contract. This high-impact role is essential for orchestrating, sustaining, and evolving a portfolio of mission-critical applications and services supporting a major Directorate within the U.S. Intelligence Community (IC).The SITE III DO contract is designed to ensure a multi-disciplinary approach to requirements engineering, solutions architecture, scheduling, reliability, resiliency, service development, integration, testing, maintainability, and analysis across the National apparatus of Defense Intelligence, Combatant Commands, Partner Nations, and other Federal Agencies. This multifaceted effort ensures timely and accurate HUMINT collection, correlation, and dissemination.Our team applies best practices in architectural design, data science, cloud services, DevSecOps, and platform integration to develop, sustain, and enhance the global U.S. HUMINT apparatus, supporting partners within the U.S. and beyond.Key Responsibilities:The Systems Architect will:Lead Application Design:Oversee the design and development of applications with state-of-the-art cloud-based architectures and tools.Address advanced performance and security requirements, including zero trust, single sign-on (SSO), multi-factor authentication, cross-domain, PKI, RBAC, logging, CMT, and other initiatives.Create Design Artifacts:Lead design tasks in collaboration with project leads and developers to produce DoDAF-compliant diagrams (e.g., OV, SV) and artifacts required for the Risk Management Framework (RMF) process.Utilize tools including PowerPoint, Visio, and Microsoft Project to brief customers and document design and implementation details.Optimize Legacy Systems & Architecture Modernization:Drive the modernization and upgrade of legacy applications to minimize technical debt, address security requirements, and reduce operational costs by leveraging new tools and approaches.Cost Estimation & Planning:Generate cost estimates and Rough Order of Magnitude (ROM) calculations by leveraging deep knowledge of resource levels, technical requirements, and customer needs.Promote code reuse, implement reusable micro-services, and leverage enterprise services for new and existing applications.Quality Assurance & Risk Management:Support Quality Assurance (QA) tasks to ensure compliance with customer expectations and program requirements.Participate in Risk Management strategies and mitigation activities.Collaboration & Problem Solving:Cultivate stakeholder consensus across engineering and leadership teams while conveying technical vision and priorities.Adapt and adjust plans based on evolving feedback and project dynamics.Provide mentorship and insight to engineers and communicate plans effectively to senior leadership. Qualifications Required Qualifications:Bachelor’s degree in Computer Science (or in an area relevant to the position) with 12+ years of experience in software development, managing development teams, and engineering large-scale enterprise applications. Note: 4+ additional years of experience in lieu of a degree.Active TS/SCI with polygraph, or TS with SCI eligibility and ability to obtain a polygraphProficiency in:Agile development methodologiesAWS architecture and hosting solutionsGeneral knowledge of database design, web services, and UI developmentProven experience in:Planning, scheduling, and tracking software development efforts.Delivering high-quality customer presentations using PowerPoint, Excel, and MS Project.Strong multitasking capabilities to manage multiple concurrent efforts.Past experience managing program costs and funding.Ability to work effectively in a fast-paced Agile environment.Must be able to work full-time in a SCIF; flexible hours are available.Desired Qualifications: Experience with modernization of legacy systems and implementing cost-cutting solutions.Familiarity with human intelligence (HUMINT) collection and dissemination systems.Proven track record of designing solutions addressing cross-domain environments and Zero Trust principles.Advanced experience with DevSecOps pipelines and tools such as Jenkins, Git, or Artifactory.Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan. Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law. Job SummaryRequisition ID: 2026-164343Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly