Title: Sr. Infrastructure Engineer Location: US Corporate Headquarters - Reston Full time job requisition id JR2026001177 Job Description: Why AIS? When you join AIS, you’re joining a mission-driven team that’s passionate about making a difference. You’ll work on projects that matter, alongside industry-leading experts, in an environment that fosters innovation, driving client success, and empowering our team to make a lasting impact. As an employee-owned company, we value collaboration, inclusivity, continuous growth, and shared success. - Employee Ownership: Your contributions directly impact the company’s success, and you share in its achievements. - Continuous Learning: Access to resources, training, and mentorship to support your professional growth. - Inclusive Culture: A workplace where diversity is celebrated, and everyone’s voice is valued. - Mission-Driven Work: Engage in projects that make a meaningful difference for our clients and communities. What are we looking for? At AIS, we're looking for more than just skills - we're looking for driven individuals who are passionate about making a difference, eager to grow, and aligned with our core principles. Working@AIS At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Infrastructure Architect. - Core Knowledge & Skills: Architects scalable, resilient solutions; authors roadmaps and blueprints; integrates diverse components; advances automation (PowerShell/Python/Ansible) and governance/policy. - Work & Complexity: Leads architectural initiatives, establishes performance benchmarks, integrates systems at scale, researches emerging tech, and mitigates enterprise risk. - Quality & Independence: Ensures integrity, scalability, and cost/performance optimization; produces comprehensive design artifacts; sets and enforces standards with broad autonomy. - Teamwork & Communication: Leads architectural teams, builds strategic partnerships, institutionalizes knowledge management, and communicates designs and executive‑ready reports. - Consulting & Engagement: Delivers architectural consulting aligned to business strategy, proposes enterprise technologies, nurtures vendor alliances, and seeds new project opportunities. As your initial project assignment, you will support the unique needs of our client as a Sr. Infrastructure Engineer. This position is based out of our Reston, VA office but eligible to work remotely within the United States. Project Summary Utilize cloud, data, and infrastructure technologies to design, implement, and support complex enterprise solutions for global brands and federal agencies. Key Responsibilities Architect scalable and secure systems, develop and optimize data pipelines and stream applications to ensure high performance, reliability and data integrity. Required For This Opportunity Master’s degree or equivalent in Computer Science or a related field and two (2) years of experience as software engineer or related. Must have experience with designing/deploying Cloud infrastructure using reusable Terraform modules to provision kubernetes clusters, networking components, storage accounts, RBAC roles, and other Cloud services through terraform cloud for governance and automation; onboarding applications into kubernetes with Helm and GitOps (FluxCD), implementing Cloud IAM for secure pod-to-service authentication, and building CI/CD pipelines in Azure DevOps for both infrastructure and application deployments; performing Cloud networking design, including VNets, private endpoints, DNS, Application Gateway, Front Door, and API management (APIM); and deploying/maintaining multi-region workloads, testing failover, and disaster recovery processes, and automating governance through Terraform Cloud and Azure DevOps At AIS, we are committed to offering competitive and fair compensation that reflects the skills, experience, and contributions of each team member. The targeted base salary range for this role is $138,000-$209,000 per year. Please note that this range is provided as a guideline and the final offer will be based on several factors, including but not limited to, skillset and competencies, level of experience, education, certifications, and location. We value transparency in our hiring process and are happy to discuss how your unique qualifications align with our compensation structure during the interview process. Applied Information Sciences does not discriminate on the basis of race, national origin, religion, color, gender, sexual orientation, age, disability, protected veteran status, or any other basis. Employment decisions are based solely on qualifications, merit, and business needs.

Role Description We’re looking for a hands-on Infrastructure Engineer who thrives in a fast-paced, evolving environment. This role is critical to ensuring the stability, scalability, and performance of our IT infrastructure across on-premise and cloud environments. You’ll play a key role in supporting day-to-day operations, leading technical initiatives, and partnering with teams across the business to drive impactful solutions. - Manage and support infrastructure across Windows, Unix/Linux, networking, and cloud platforms - Monitor system alerts, triage issues, and respond quickly to maintain uptime - Lead and execute infrastructure projects, partnering with IT and business stakeholders - Support cross-functional teams with infrastructure-related incidents and escalations - Execute core processes including patching, monitoring, and system maintenance - Assist with M&A integrations, including system migrations and infrastructure support - Develop and maintain documentation (architecture, SOPs, standards, policies) - Continuously look for ways to improve performance, reliability, and scalability - Support additional initiatives and projects as needed Qualifications - 3+ years of experience as an Infrastructure Engineer or similar role - Experience working with cloud platforms (AWS, Azure, or GCP) - Exposure to cloud disaster recovery strategies - Proven experience leading or contributing to technical projects - Familiarity with advanced cloud environments (containers, IaC, configuration management, etc.) - Scripting experience (e.g., Python, PowerShell) is a plus Requirements - Strong understanding of enterprise technologies (systems, networking, databases, applications) - Ability to analyze and respond to system and security alerts quickly - Excellent problem-solving and critical thinking skills - Strong collaboration and stakeholder management abilities - Comfortable working independently and within a team - Experience with distributed systems and cloud computing environments Benefits - Medical Plans: Choose from HDHP/HSA (with monthly company contributions) or a PPO option. - Spousal HRA: SIHRA covers 100% of eligible expenses up to $9,400 per individual or $18,800 per family each calendar year. - FSAs: Flexible spending options for health and dependent care expenses. - Dental: Comprehensive, including orthodontic care for both children and adults. - Vision: Includes discounts on Lasik. - Telehealth & Concierge: 24/7 healthcare access with prescription services for enrolled members. - Life Insurance and AD&D: Company paid life and AD&D coverage. - Long Term Disability: Company paid LTD program. - Optional Coverages: Short term disability, voluntary pet care, identity protection, voluntary life insurance with optional dependent coverage, plus supplemental critical illness, accident, and hospital indemnity. - Employee Assistance Program: Professional support for employees during critical times. - Disability: Options for both short- and long-term coverage. - Retirement: 401(K) & Roth: 100% company match on the first 3%, plus 0.5 match on the 4th and 5th%. - Paid Time Off: Start with 3 weeks, with the potential to accrue up to 5 weeks per year. - Holidays: 7 paid holidays, including the day after Thanksgiving. - Additional Leave: Coverage for jury duty, witness duty, and bereavement leave.

• Designing, implementing, and managing cutting-edge network and infrastructure solutions • Providing support to development teams • Ensure the smooth operation of the company's geo-distributed infrastructure • Maintenance and configuration of network equipment, bare metal servers, NAS • Maintenance and configuration of virtualization system (VMWare) • Administer multiple Linux servers • Monitor the status of services and prompt resolution of emerging problems • Automate administrative tasks • Participate in the development and improvement of infrastructure • Interact with developers, database administrators, DevOps engineers, architects

• Define and enforce infrastructure-as-code best practices using AWS CDK, ensuring all cloud resources are version-controlled, repeatable, and peer-reviewed. • Architect and manage AWS infrastructure including ECS, RDS Aurora, API Gateway, S3, and networking — optimizing for reliability, performance, and cost. • Build and maintain a comprehensive observability stack: structured logging, distributed tracing, metrics dashboards, and alerting using Datadog. • Establish and run on-call processes, incident response playbooks, and post-mortem practices that improve system resilience over time. • Optimize RDS Aurora and ECS resources for performance, availability, and cost — right-sizing instances, tuning queries, and managing scaling policies. • Own cloud spend management: implement tagging strategies, cost allocation, budgets, and regular reviews to keep infrastructure costs accountable. • Harden cloud security posture: manage IAM policies, network segmentation, secrets management, vulnerability scanning, and compliance controls. • Improve developer experience by streamlining CI/CD pipelines, deployment workflows, and local development tooling.