• Design scalable, resilient, and secure cloud architectures • Evaluate architectural trade-offs considering cost, performance, security, reliability, and operational excellence • Create and maintain architecture diagrams (C4, AWS Architecture Icons) and detailed technical documentation • Conduct design reviews and architecture analyses with development teams • Implement and evolve cloud infrastructure with a focus on scalability, resilience, security, and cost optimization • Define reusable infrastructure patterns and frameworks to accelerate team delivery • Automate operational tasks using Infrastructure as Code (IaC) and scripting • Ensure high availability and performance of services by implementing disaster recovery and backup strategies • Plan and monitor service capacity and performance • Implement and maintain observability solutions (logs, metrics, traces) • Collaborate actively with development, product, and architecture teams • Write and implement code following internal quality standards • Perform code reviews and contribute technically to the platform architecture • Identify and implement continuous improvements in processes, architecture, and operations • Participate in the assessment and resolution of critical incidents • Promote and disseminate a culture of cloud architecture excellence • Evaluate new AWS technologies and services

• Architect and design secure cloud solutions within a Department of the Navy virtual private cloud hosted on Microsoft Azure Flank speed • Lead planning and execution of migration from on premises systems to cloud environments while ensuring continuity of mission operations • Develop cloud architectures supporting NIPR SIPR and JWICS domains in coordination with government stakeholders • Design and maintain cloud networking identity access management storage and compute architectures aligned with Zero Trust principles • Integrate cybersecurity controls in accordance with Risk Management Framework NIST Intelligence Community Directive and Department of Defense policies • Support Assessment and Authorization activities including development of system security plans security assessment reports and plans of action and milestones • Coordinate with enterprise architects cybersecurity teams application developers and operations teams to ensure interoperable and secure cloud services • Support cloud cost modeling usage tracking and optimization to meet government financial management requirements • Develop and maintain technical documentation including architecture diagrams system designs and standard operating procedures • Provide guidance on cloud best practices automation scalability disaster recovery and high availability • Support transition activities ensuring required cloud skill sets are available throughout the contract lifecycle

• Work with Leidos Corporate customers to understand their needs and design appropriate environment controls to provide solutions that adhere to security standards. • Provide expertise regarding AWS, Azure AD, APIs, and security best practices. • Provide technical governance and regulatory compliance validation for Leidos environments. • Assess systems architectures currently in place and work with technical staff to recommend cybersecurity controls to improve it. • Resolve technical security design issues as commercial enterprise solutions and business needs evolve. • Research current and emerging security technologies and propose changes where needed. • Work closely with fellow Cybersecurity Architects and Engineers on our team with different areas of expertise (Networking, Endpoint, Application, Cloud, Mobile, etc.). • Develop a set of reference architectures over time that can be used across customer engagements. • Adapt models to keep up to date with regulator standards (e.g., NIST 800-171, CMMC, Privacy, among others).

Key Responsibilities: - AWS Organization Management: Serve as the primary lead for AWS operational tasks, managing core IaaS services (EC2, S3, VPC, RDS) within a multi-account AWS Organizations structure. - ITSM & ITAM Governance: Act as the lead administrator for Freshservice, managing the service desk, incident response, and maintaining a real-time inventory of all cloud and system assets. - Infrastructure Deployment: Maintain and update environment configurations using AWS CloudFormation templates. - Server Administration & Patching: Perform routine patching and vulnerability remediation for both Linux and Windows servers using Ivanti. - Access & Troubleshooting: Perform L2/L3 troubleshooting by accessing servers via AWS Systems Manager (SSM) or other secure protocols to review system logs and performance. - Monitoring & Backups: Oversee system health and performance via Grafana dashboards and ensure data integrity and disaster recovery readiness using Cohesity. Required Skills & Qualifications: - AWS IaaS Proficiency: Solid understanding of core AWS services and multi-account management. - Cross-Platform Admin: Proven ability to manage and troubleshoot both Windows and Linux environments at the command line. - Scripting: Proficiency in Shell or Bash for automating routine operational workflows. - Tooling Expertise: Practical experience with Freshservice (or similar ITSM/ITAM tools), Ivanti, Cohesity, and Grafana. Preferred Skills (Bonus): - Coding: Proficiency in Python is highly desirable for building custom automation scripts and AWS API integrations. - Certifications: Active AWS Certifications (e.g., SysOps Administrator, DevOps Engineer, or Cloud Practitioner) or other relevant cloud certifications. - Multi-Cloud Experience: Exposure to other cloud platforms like Azure or GCP is a plus. At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.