Jobs in Reston, VA

Comcast

Full-time · Reston, VA · $141,851 – $212,776

This role develops high-performance ad-serving software for FreeWheel's demand-side platform, handling billions of auctions daily at millisecond scale. It suits experienced backend engineers comfortable with C++, distributed systems, and mentoring junior team members.

Listed on Comcast’s careers site · Apply there ↗

Comcast

Reston, VA · $141,851 – $212,776

FreeWheel seeks a senior engineer to design and optimize their video advertising platform, handling massive scale and global infrastructure. This role suits someone with deep expertise in cloud services, containerization, and distributed systems who wants to mentor others while shaping critical ad-serving technology.

Listed on Comcast’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $163,800 – $245,800

This is a senior infrastructure and platform engineering role supporting U.S. federal government contracts, focused on building and maintaining Kubernetes-based systems, CI/CD pipelines, and cloud infrastructure at scale. The position suits experienced engineers who want to work on mission-critical systems with strong security requirements and are comfortable with remote-flexible arrangements.

Listed on Workday’s careers site · Apply there ↗

Comcast

Full-time · Reston, VA · $120,213 – $180,319

A backend systems engineer role focused on building and maintaining CI/CD pipelines, testing infrastructure, and developer tools for a global ad technology platform. This suits experienced C++ engineers interested in platform reliability, automation, and mentoring others.

Listed on Comcast’s careers site · Apply there ↗

Comcast

Reston, VA · $167,384 – $251,076

This role leads the development of Kubernetes-based cloud platform systems at Freewheel, a large-scale ad-tech company. It suits senior software engineers with 7+ years' experience in platform engineering, production Kubernetes operations, and a track record mentoring teams through complex infrastructure initiatives.

Listed on Comcast’s careers site · Apply there ↗

Workday

Reston, VA

Listed on Workday’s careers site · Apply there ↗

Comcast

Reston, VA · $120,213 – $180,319

This role involves designing and developing Kubernetes-based platform solutions while mentoring junior engineers and ensuring software quality. It suits experienced platform engineers comfortable with cloud infrastructure, containers, and infrastructure-as-code who want to take on technical leadership responsibilities.

Listed on Comcast’s careers site · Apply there ↗

Comcast

Reston, VA · $133,947 – $200,920

A senior data engineering role focused on building and maintaining sophisticated data pipelines, data warehouses, and observability systems for a global ad-tech platform. Suited for experienced engineers who enjoy solving complex data challenges and can mentor junior team members while driving strategic architectural decisions.

Listed on Comcast’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $163,800 – $245,800

This role involves building and operating cloud-based microservices on AWS and Kubernetes that power Workday's developer platform for federal government customers. You'll own services end-to-end from design through production reliability, with a strong backend focus and occasional frontend work, serving the mission of modernizing U.S. federal agency operations.

Listed on Workday’s careers site · Apply there ↗

Comcast

Reston, VA · $113,514 – $170,271

This role involves designing and building data pipelines and architectures to transform raw data into business-ready datasets, with responsibility for data quality, governance, and consumption patterns. It suits experienced engineers comfortable with SQL, Python, cloud platforms, and modern data stack tools who want to own the full data lifecycle in a high-scale advertising technology environment.

Listed on Comcast’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $163,800 – $245,800

This role involves building observability and logging infrastructure for Workday's developer platform, serving U.S. federal agencies. You'll design backend services, APIs, and tooling that help developers understand system performance and reliability in highly secure, mission-critical environments.

Listed on Workday’s careers site · Apply there ↗

Comcast

Full-time · Reston, VA · $120,213 – $180,319

This role develops AI-powered capabilities and intelligent automation features for FreeWheel's advertising platform, combining large language models, agents, and machine learning into production systems. It suits engineers with 5–7 years of experience and strong Python skills who want to own the full lifecycle of AI features in a collaborative, distributed-systems environment.

Listed on Comcast’s careers site · Apply there ↗

Workday

Reston, VA · $189,000 – $283,600

This role leads large-scale technical programs for Workday's federal government business, requiring someone who can translate between complex engineering work and executive priorities while managing risk and dependencies across multiple teams. It's suited to seasoned program managers comfortable with security-cleared environments and the regulatory demands of federal contracting.

Listed on Workday’s careers site · Apply there ↗

Comcast

Reston, VA · $141,851 – $212,776

This role leads the design and delivery of AI-powered product features at FreeWheel, focusing on agentic workflows and intelligent automation across their advertising platform. It suits experienced software engineers who want to architect AI systems, mentor other engineers, and drive technical strategy across multiple products.

Listed on Comcast’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $137,000 – $205,400

A senior full-stack engineer role at Workday's federal government division, supporting U.S. federal agencies with cloud platform modernization. This position suits experienced engineers who want to work on high-security, mission-critical systems with strong technical leadership opportunities.

Listed on Workday’s careers site · Apply there ↗

Workday

Reston, VA · $159,600 – $239,400

A senior infrastructure and security engineering role supporting U.S. federal government contracts, focused on building and securing Kubernetes-based platforms with automation and compliance tooling. Suited for experienced engineers comfortable with high-stakes, mission-critical work requiring security clearances and on-site presence in the DC area.

Listed on Workday’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $137,000 – $205,400

This role develops infrastructure and tooling for a machine learning platform that runs on federal government infrastructure, working with containerization, cloud services, and DevOps automation to support data scientists and engineers building ML features.

Listed on Workday’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $191,500 – $287,300

This role involves designing and implementing identity and access management systems for U.S. federal government cloud environments, working across AWS, Azure, and GCP platforms. It suits experienced cloud engineers with a strong background in IAM, compliance frameworks, and security who are interested in mission-critical infrastructure work serving federal agencies.

Listed on Workday’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $163,800 – $245,800

A senior platform engineer role building and maintaining Kubernetes infrastructure, CI/CD pipelines, and observability tools for Workday's federal government solutions. This suits experienced infrastructure and DevOps engineers who want to work on mission-critical systems serving U.S. federal agencies with strong security and scalability requirements.

Listed on Workday’s careers site · Apply there ↗

Workday

Full-time · Reston, VA · $184,800 – $277,200

This role owns the strategy and architecture of Workday's Identity and Access Management systems across a complex, multi-cloud enterprise environment. You'll lead IAM decisions that shape security posture, drive cross-functional alignment, and help define emerging patterns for securing AI agents—not manage day-to-day operations.

Listed on Workday’s careers site · Apply there ↗