Senior Middleware Engineer Jobs in Reston, VA (NOW HIRING)

We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. We are actively hiring a Senior Software Engineer (Leadership) with a TS/SCI clearance and polygraph to support a program in Chantilly, VA. In this role you will own the design, delivery, performance, and operational evolution of the administrative services domain for a large-scale, globally distributed mission platform.

You will take direct ownership of the control plane, administrative interfaces, user and role management, and peripheral/device management services, enabling the broader platform to be deployed and operated consistently in the field. This role will also lead technical engagement with peripheral vendors, device middleware providers, and SDK suppliers to certify components into the platform and maintain compatibility over time. This is a critical role for someone who can combine software/service ownership, platform administration design, integration discipline, and delivery leadership across a complex distributed environment.

What You'll Be Doing: Own the administrative services portfolio for a globally distributed software platform, including: control plane services administrative interfaces and management views user and role administration authentication and authorization services install, upgrade, and lifecycle management services peripheral and middleware management services Define and maintain the architecture and delivery roadmap for administrative capabilities across multiple environments and deployment types Lead development and sustainment of administrative user experiences for different classes of users, including: system administrators operations personnel support and field teams site or regional managers role-specific business users requiring limited administrative visibility Own platform-level user management patterns, including: user provisioning and lifecycle management role-based access control permissions models delegated administration patterns secure administrative workflows Oversee the integration and lifecycle management of peripherals and device middleware, including: drivers SDKs vendor APIs middleware services version compatibility and upgrade planning Serve as the primary technical lead for vendor engagement related to device and middleware certification into the platform Define and manage the process for introducing new peripherals or middleware providers into the system, including: technical evaluation certification criteria compatibility testing documentation and supportability requirements Ensure the administrative services domain supports reliable installation, upgrade, rollback, and support operations across globally distributed sites Partner with Software Architecture, Platform Engineering, Security, Field Engineering, Operations, and QA to ensure the admin/control-plane stack is robust and supportable Reduce load on the overall Software Architect by independently managing this service domain and driving delivery outcomes for it Participate in technical triage and root-cause analysis for issues involving administration, auth, user access, device integration, and platform management workflows Required Skills: Bachelor's degree in Computer Science, Software Engineering, Data Engineering, Information Systems, or related technical field. 4 Additional years of experience can substitute for a degree. 10+ years of software engineering, data platform engineering, search engineering, or analytics platform experience, including 4+ years leading a major technical service area or team.

Strong experience designing and delivering administrative/control-plane services for complex distributed systems Experience with one or more of the following domains: user and role management authentication and authorization services administrative UI/UX for operational systems install/upgrade/lifecycle orchestration device/peripheral management platforms Experience leading cross-functional delivery across software, operations, QA, and field/support teams Ability to engage external vendors and hold them to technical integration, documentation, and certification standards Strong problem-solving skills with the ability to manage both roadmap work and operational support issues Strong written and verbal communication skills, including technical design documentation and executive-level summaries Proven experience integrating third-party vendor components into production systems, including: hardware peripherals SDKs middleware drivers and versioned dependencies Strong understanding of compatibility management across software, firmware, drivers, and vendor releases Experience managing service delivery in environments with multiple user personas and differing levels of administrative access Ability to define service boundaries, ownership models, and roadmaps for a complex service portfolio Domestic and/or international project travel may be required. Desired Skills: Master's degree in Data Engineering, Computer Science, Analytics, or related field Experience in Linux-based distributed environments Experience with Java-based backend services and modern web administrative interfaces Experience with role-based access control, identity federation, and secure admin workflows Experience with remote management of fielded systems across geographically distributed sites Experience designing software certification/onboarding processes for third-party peripherals and vendors Familiarity with release engineering and compatibility testing for drivers, SDKs, and middleware components Experience with highly available or mission-critical operational platforms Experience creating technical documentation and knowledge artifacts for admin workflows, upgrade procedures, and supported device matrices Experience with modern frontend administrative frameworks (e.g., Vue.js or similar) Experience with service platforms using technologies such as Consul, Nomad, Vault, or equivalent orchestration/service-discovery stacks Experience with observability and operational tooling for control-plane services Familiarity with image capture, scanning, reader devices, kiosk/eGate-style systems, or other edge peripherals Experience with multilingual administrative interfaces or globally deployed platforms * Experience supporting formal certification/testing programs for external hardware or middleware providers