System Architect - Senior at Leidos in Washington, DC

System Architect - Senior Location: Washington, DC The System Architect-_Senior supports the SEC ISS contract by architecting and managing enterprise infrastructure across on-premises and cloud environments to enable secure, reliable agency operations. This role leads modernization initiatives aligned to OIT priorities, including hybrid cloud adoption and virtualization advancement. The architect translates business and functional requirements into scalable technical solutions, drives cross-functional execution, and validates technologies through proofs of concept (POCs), pilots, and demonstrations. The position provides senior technical leadership for system integration, scalability, and security architecture to improve resilience and operational efficiency. PRIMARY RESPONSIBILITIES Enterprise Architecture and Modernization - Architect and manage enterprise IT systems across compute, storage, operating systems, virtualization, and cloud platforms supporting SEC mission services. - Lead transformation initiatives that improve efficiency, performance, and scalability through modernization of legacy infrastructure. - Define target-state and transition-state architectures for hybrid environments integrating on-premises systems with cloud services. - Ensure architecture decisions align with SEC OIT objectives, operational priorities, and service delivery outcomes. Technical Leadership and Cross-Functional Execution - Lead and mentor multi-discipline server and systems operations teams across engineering, operations, and security stakeholders. - Translate functional and operational requirements into technical designs, implementation plans, and measurable outcomes. - Collaborate with program, operations, and support teams to remove delivery blockers and drive execution across workstreams. - Provide expert guidance during incidents, major changes, and high-impact initiatives requiring senior architectural oversight. Technology Evaluation and Integration - Identify, evaluate, and recommend technologies that meet defined technical, security, and operational requirements. - Plan and execute proofs of concept (POCs), pilots, and demonstrations to validate feasibility and suitability. - Establish integration patterns that improve interoperability across enterprise platforms, tools, and services. - Drive adoption of automation and engineering best practices to improve repeatability and service maturity. Security, Scalability, and Reliability Architecture - Provide technical leadership for secure system integration, performance engineering, and resilient architecture design. - Incorporate federal security and compliance considerations into infrastructure designs and operational baselines. - Design for high availability, disaster recovery readiness, and scalable growth across enterprise environments. - Partner with security and operations teams to address risk, strengthen controls, and maintain continuous service reliability. REQUIRED QUALIFICATIONS Citizenship/Work Authorization: Must meet contract requirements. Clearance: Ability to obtain and maintain SEC Public Trust (or higher if required). Education: Bachelors degree in Information Technology, Computer Science, Engineering, or related field. Experience: - 10+ years of experience in engineering and architecting enterprise IT systems. - Proven experience managing multi-discipline server and system operations teams in complex enterprise environments. - Extensive knowledge of multi-vendor server operating systems. - Must possess a Microsoft Certified Solutions Expert (MCSE) - Server Infrastructure Certification or equivalent relevant experience. - Demonstrated ability to translate functional requirements into technical solutions and lead cross-functional collaboration. - Strong analytical and problem-solving skills. Technical Skills (Source-Derived): - Enterprise infrastructure design and architecture - Virtualization and cloud integration across enterprise environments - System integration, scalability, and security architecture - Multi-vendor server operating systems expertise - Effective cross-functional collaboration PREFERRED QUALIFICATIONS The following preferred qualifications are PWS-derived stretch qualifications and are not required staffing matrix minimums. - Experience architecting infrastructure solutions on federal IT contracts with FISMA/FedRAMP/NIST-aligned controls. - Experience supporting hybrid cloud operations spanning Microsoft Azure, Microsoft 365, and AWS-integrated environments. - Experience leading enterprise virtualization modernization and workload migration initiatives. - Experience with container platform modernization, including OpenShift migration or operations exposure. - Active SEC Public Trust or prior federal background investigation eligibility. - Microsoft Certified: Azure Solutions Architect Expert - VMware Certified Professional (VCP) - ITIL 4 Foundation If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: May 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.