Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Platform Engineer

$126k - $345k

Clarity LLC

Senior Platform Engineer

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world.

Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, enabling end-to-end solutions that drive operational impact.

We are committed to delivering cutting-edge tools and capabilities that address the most complex national security challenges, empowering our partners to stay ahead of emerging threats and ensuring the success of their critical missions. At Clarity, we are people-focused and set on being a destination employer for top talent, offering an environment where innovation thrives, careers grow, and individuals are valued. Join us as we continue to lead innovation and tackle the most pressing challenges in national security.

Position Overview

We are seeking a mission-driven Platform Engineer to deliver the next evolution of U.S. Government cyber operations. This is a purpose-filled position for those seeking to make a meaningful impact. Join an elite team developing the critical infrastructure for a next-generation, distributed cyber network operations platform. Our mission is to design, deploy, and scale offensive capabilities that fundamentally change how the U.S. Government conducts operations in cyberspace. Your contributions will directly shape the operational edge of the nation's most advanced missions.

Key Responsibilities
  • Drive end-to-end systems engineering efforts across modern, secure, and flexible infrastructure stacks, spanning on-premises deployments and cloud-native platforms.
  • Work at the intersection of hardware integration, infrastructure orchestration, secure systems configuration, and bespoke operational tools.
  • Design and deploy scalable infrastructure to support distributed cyber operations.
  • Ensure the reliability, performance, and rigorous security of all platform environments in accordance with mission standards.
Required Qualifications
  • 5-10+ years of experience in systems engineering with a foundation in enterprise infrastructure, cybersecurity, or equivalent (or a related technical degree).
  • Active TS/SCI clearance with Polygraph eligibility.
  • Deep mastery of Linux administration (Ubuntu, RHEL) and familiarity with Windows/virtualized platforms.
  • Expertise in secure routing protocols and network integration (BGP, OSPF, VPNs) and hands-on experience with configuration management tools like Ansible, PowerShell, or Bash.
  • Current CCNA certification (or ability to obtain one within 90 days).
  • Proficiency in modern DevSecOps, GitOps, and containerization (Docker, Podman) and Infrastructure as Code utilities (Crossplane, Pulumi, Terraform).
Desired Qualifications
  • Experience with SDN, network virtualization, and automation in classified environments.
  • Exposure to DoD/federal cybersecurity frameworks such as RMF and NIST 800-53.
  • Familiarity with the Cyber Operations Domain and advanced threat detection.
  • Experience writing automated tests for infrastructure components.
  • Willingness to travel (CONUS/OCONUS) up to 25% annually for mission support, and comfortable working in SAPF/SCIF environments.
  • Azure experience and/or relevant cloud certifications.

Salary Range: $126,000 - $345,000

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Platform Engineer in Sterling, VA vacancy
  • $112k - $179k

    Responsibilities Peraton Labs is seeking a Senior DevSecOps / Platform Engineer to own the Agentic AI platform end-to-end across delivery, infrastructure, runtime operations, and platform health. This role will be responsible for building and operating the technical... 
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Herndon, VA
    1 day ago
  • $98.5k - $206.8k

    Job Title: Senior Platform EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type...  ...accepted). 5+ years of platform, infrastructure, or software engineering experience. Hands-on experience with Kubernetes and... 
    Senior
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Sterling, VA
    15 hours ago
  • $99k - $206k

     ...customers in the intelligence community, defense, civil, and commercial markets.Nightwing Information Technology is seeking a Senior Cloud Platform Engineer to lead the operation, development, and continuous improvement of our network and server/application infrastructure in... 
    Senior
    Full time

    Nightwing

    Sterling, VA
    4 days ago
  •  ...Senior Android Platform Engineer Sterling, VA (Hybrid) Full-Time U.S. Citizenship Required What You'll Do • Maintain and extend a custom AOSP-derived platform build, including device trees, vendor partitions, HAL customizations, and system image... 
    Senior
    Full time
    Remote work

    Elite Government Strategy

    Sterling, VA
    3 days ago
  • $146k - $255.5k

     ...’s passionate about developing software engineers. Software doesn't build itself. People do...  ...Washington Business Journal. Are you a senior engineer interested in expanding the use...  ...Intelligence Community?We’re hiring a Senior Data Platform Engineer to help expand our AWS- and... 
    Senior
    Full time
    Immediate start

    BTI360

    Herndon, VA
    2 days ago
  • $155k - $185k

     ...Description Job Description Dark Wolf Solutions is looking for Platform Engineers to join our team. The Platform Engineers will be responsible...  ...for system hardening and configuration management Senior Level Required Qualifications:  ~8+ years of experience working... 
    Senior
    Full time
    For contractors

    Dark Wolf Solutions

    Herndon, VA
    21 days ago
  • $105.1k - $231.1k

    Job Title: Senior HCM Cloud Platform & DevOps EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start...  ...:CACI is seeking an HCM Cloud Platform & DevOps Engineer to design, build, and operate the cloud infrastructure, CI... 
    Senior
    Contract work
    Work experience placement
    Immediate start
    Remote work
    Flexible hours

    CACI International

    Reston, VA
    4 days ago
  • Overview CIS Mobile is looking for a Senior Android Platform Developer to join our team. With a primary focus on our altOS Platform mobile...  ...collaborate with server developers, application developers, engineers, and other technical teams to develop and extend our secure... 
    Senior
    Work experience placement
    Work at office
    Remote work

    CIS Secure

    Ashburn, VA
    2 days ago
  •  ...technologies, tools, and methodologies, with a particular focus on Microsoft Azure. This role is suited for an experienced Senior Platform Engineer with deep expertise in Cloud FinOps, especially in Azure cost optimization and billing administration. The engineer will... 
    Senior
    Contract work
    Internship
    Monday to Friday

    Navy Federal Credit Union

    Vienna, VA
    2 days ago
  • $191k - $253k

     ...focused on positioning Anduril as a lead provider of specialized engineering and products for Intelligence Community (IC) customers. We...  ...knowledge of containerization technologies (Docker) and orchestration platforms (Kubernetes, Docker Swarm)Understanding of Linux system... 
    Senior
    Full time
    Work experience placement
    Immediate start

    Anduril Industries

    Reston, VA
    3 days ago
  • $109.05 per hour

     ...Job Description Job Description Senior AWS Cloud Platform Engineer Location: Reston, VA (Hybrid) Duration: 12-Month Contract Pay Rate: $109.05/hr (W2) About the Role We are looking for a highly skilled Senior AWS Cloud Platform Engineer to support... 
    Senior
    Contract work

    System One

    Reston, VA
    29 days ago
  •  ...Job Description Job Description POSITION OVERVIEW The Senior Platform Engineer stands up, automates, and sustains the infrastructure the Customer's enterprise API gateway runs on. The role covers container platform engineering, infrastructure-as-code, deployment... 
    Senior
    For contractors

    BaseCamp Consulting & Solutions

    Reston, VA
    29 days ago
  • $106k - $293k

     ...in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI...  ...and capacity expansions to meet business needs. Act as a senior technical liaison among customers, vendors, and internal... 
    Remote work
    3 days per week

    Clarity Innovations

    Herndon, VA
    3 days ago
  • $122k - $253k

     ...frameworks and infrastructure-as-code templates to streamline provisioning, deployment, and network consolidationProvide systems engineering project leadership in support of a large, leading-edge development effortInterface directly with the customer, stakeholders, and... 
    Senior
    Full time

    Nightwing

    Sterling, VA
    2 days ago
  • $146k - $234k

     ...Principal Data Platform Engineer Job Locations US Requisition ID 2026-168034 Position Category Engineering...  ...Responsibilities Peraton is hiring a Data Architecture, Senior Advisor . This work is 100% remote. This role is the... 
    Contract work
    Work experience placement
    Remote work
    Shift work

    Peraton

    Herndon, VA
    15 hours ago
  •  ...Senior DevOps Engineer We are seeking a Senior DevOps Engineer to design, implement, and support secure and scalable multi-cloud environments across AWS, Azure, and GCP. The role focuses on cloud architecture, infrastructure automation, CI/CD pipelines, and DevOps... 
    Senior
    Remote work
    3 days per week

    Staffing the Universe

    Herndon, VA
    2 days ago
  • $225k

     ...Clearance: TS/SCI CI Poly Salary: $225K We are seeking a Senior DevOps Engineer with 10+ years of experience to support a mission-critical...  ...or national security programs . Experience with cloud platforms and cloud-native architectures. Experience with Docker... 
    Senior

    thejosefgroup.com

    Sterling, VA
    4 days ago
  • $98.5k - $206.8k

    Job Title: DevOps Engineer - SeniorJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type...  ..., scalable, and resilient software delivery.Drive automation, platform engineering, and cloud modernization efforts supporting critical... 
    Senior
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Sterling, VA
    2 days ago
  •  ...KDA Consulting Inc. is seeking a highly skilled DevOps Engineer to support mission-critical programs within the Intelligence Community...  ..., orchestration (Docker/Kubernetes), and cloud platforms , along with a strong foundation in automation and system reliability... 
    Senior

    KDA CONSULTING INC

    Herndon, VA
    1 day ago
  • The Senior DevOps Engineer is responsible for configuration, deployment and maintenance of the Services Delivery Platform and QTS Operating System applications. This position requires excellent technical, diagnostic, and troubleshooting skills.RESPONSIBILITIES, other duties... 
    Senior
    Full time

    Quality Technology Services

    Ashburn, VA
    1 day ago
  •  ...Job Description SAIC is seeking a highly skilled and experienced Senior DevOps Engineer with a strong focus on DevOps methodologies to join our IT team. The ideal candidate will be responsible for leading the integration of complex systems, automating workflows,... 
    Senior
    2 days per week

    Science Applications International Corporation

    Sterling, VA
    1 hour ago
  • $50k - $290k

     ...and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science, Cyber Enablement, Logistics, and Training. Founded in 2019, Swift supports Civilian, Defense, and Intelligence... 
    Senior
    Contract work
    Work experience placement

    The Swift Group

    Herndon, VA
    15 hours ago
  • $96.9k - $247.9k

     ...ve built a culture that’s passionate about developing software engineers. Software doesn't build itself. People do.  In fact, teams of...  ...by the Washington Business Journal. We’re looking for multiple Platform Engineers to join our growing team, and we have opportunities... 
    Full time
    Immediate start

    BTI360

    Herndon, VA
    4 days ago
  • $107.9k - $195.05k

    Senior DevSecOps Platform EngineerLeidos is seeking Senior DevSecOps Platform Engineers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA'... 
    Senior
    Full time
    Remote work

    Leidos

    Ashburn, VA
    3 days ago
  • $77k - $163k

     ...customers in the intelligence community, defense, civil, and commercial markets.Nightwing Information Technology is seeking Cloud Platform Engineers to help operate, develop, and improve our network and server/application infrastructure in AWS GovCloud and Azure. You’ll... 
    Full time

    Nightwing

    Sterling, VA
    4 days ago
  • $112k - $179k

    ResponsibilitiesPeraton is seeking a Cloud Engineer - Space Programs to design, automate, and operate mission-critical cloud infrastructure...  ...delivers timely data to ground operators. Leveraging cloud platforms, infrastructure-as-code, container orchestration, and CI/CD,... 
    Contract work
    Shift work

    Peraton Corporation

    Herndon, VA
    4 days ago
  • $98.5k - $206.8k

    Job Title: Hybrid Cloud Platform Software EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS...  ...-Intelligence Agency (NGA).Contribute to a security-first engineering culture supporting critical national security missions.Define... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Sterling, VA
    2 days ago
  •  ...Cloud is building the next generation of secure, scalable, multi-cloud application services. We are looking for a Senior Software Engineer to join our Platform Security team, where you'll design and build the foundational security services that protect our distributed... 
    Senior
    Full time
    Local area

    F5 Networks

    Reston, VA
    3 hours ago
  • $145k - $210k

     ...team and support our customers in building a safer global future. Overview of Opportunity As a Two Six Technologies Senior DevOps Engineer , you will own the end-to-end automation of our delivery pipelines. Acting as the glue between code and production, you... 
    Senior
    Contract work
    Work at office
    Local area

    Two Six Technologies

    Herndon, VA
    15 hours ago
  • $107.9k - $195.05k

     ...Description Senior DevOps Engineer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in...  ...operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics, a Leidos company is uniquely qualified to... 
    Senior
    Local area
    Immediate start

    Leidos

    Sterling, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Platform Engineer. Be the first to apply!