Windows API jobs in Herndon, VA

Principal Platform Engineer - EIP / CCaaS

Hybrid in Vienna, Virginia

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Today

Overview The Principal Platform Engineer - Experience Interaction Platform (EIP) / Contact Center as a Service (CCaaS) will serve as a senior technical leader responsible for engineering, integrating, automating, securing, and operating Navy Federal's enterprise contact center platform built on Microsoft Dynamics 365 Contact Center and the Microsoft cloud ecosystem. This role will provide hands-on technical leadership across platform engineering, DevSecOps, integration, observability, reliabili

Sponsored

Full-time

$133,000-$208,500 per year

M365 Project Manager/ Scrum Master

Washington, District of Columbia

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20d ago

M365 Project Manager (M365 Team) Washington DC- Onsite Application deadline: 10/21/2026 Per Federal Contract U.S. Citizenship Required Performance Period: Through the end of the year, with the possibility of extension W2 with benefits or C2C Position Requirements: Lead and manage both operational and project-based work for the M365 team using Kanban methodology. This role combines Scrum Master facilitation with hands-on project management to ensure efficient delivery of services and initiatives

Easy Apply

Contract

Depends on Experience

Principal Reverse Engineering/Vulnerability Research Engineer

Herndon, Virginia

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Today

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 In

Full-time

USD 113,000.00 per year

Intune Engineer

Washington, District of Columbia

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Today

The Intune Engineer supports the Endpoint Engineering Lead in modernizing the enterprise's Microsoft Intune endpoint management platform. This is a hands-on, mid-level engineering role. Working to the Lead's direction and to established standards, the engineer builds, tests, and implements the policy, provisioning, and application delivery changes that move the organization from an Active Directory-anchored, co-managed estate to a cloud-native, Intune-first one. This is a hybrid position requiri

Full-time

Senior Endpoint Engineer

Washington, District of Columbia

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Today

This role defines the target state for how FERC devices are provisioned, managed, secured, and supported, and leads the engineering work to get there. The central mission is modernization: moving the fleet from a ConfigMgr-centric, on-premises model to a cloud-native model built on Microsoft Intune, Entra ID, Windows Autopilot, and Windows Autopatch, aligned to federal Zero Trust requirements. The architect owns the roadmap, the design decisions, and the reference standards for that transition,

Full-time

Windows Software Engineer, Senior

Remote

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is looking for an amazingly talented Senior Windows Software E

Full-time

USD 112,200.00 - 196,400.00 per year

Software Engineering Internship

Reston, Virginia

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Today

Overview IDEMIA Public Security, a division of IDEMIA Group, is the leading provider of secure and trusted biometric-based solutions, transforming public and private organizations across the globe. Our industry-enabled and client-specific solutions draw upon decades of expertise in biometrics to revolutionize the fields of public security, justice and public safety, travel and transport, identity, and access control. Built on privacy and trust, our market-leading iris, fingerprint and facial re

Full-time

USD 25.00 per hour

Senior Endpoint Engineer/Administrator, Systems Management

Remote or Pennsylvania

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Today

Our team members are at the heart of everything we do. At Cencora, we are united in our responsibility to create healthier futures, and every person here is essential to us being able to deliver on that purpose. If you want to make a difference at the center of health, come join our innovative company and help us improve the lives of people and animals everywhere. Apply today! Job Details Senior Endpoint Engineer/Administrator (Level 3) responsible for the design, deployment, and advanced supp

Full-time

Senior Monitoring and Observability Engineer

Remote

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7d ago

Job Title:Senior Monitoring and Observability Engineer Location:Washington, DC (Remote) Type:Contract Compensation:$68.00 - $80.00 per hour on W2 Security Clearance:Must be able to obtain a Public Trust clearance Responsibilities Engineer, operate, maintain, and continuously improve the enterprise monitoring and observability platform, including dashboards, monitors, metrics, logs, APM, synthetic monitoring, tagging, integrations, and related capabilities. Assess monitoring coverage across ente

Easy Apply

Contract

$68

Systems Engineer I

Remote

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Today

Rimkus is looking for a curious, dependable Systems Engineer I to administer and support our Microsoft cloud and on-premises environment. This hands-on role combines reliable day-to-day operations with participation in approved Microsoft 365 implementations and coordination of assigned technical projects. The ideal candidate brings practical Microsoft administration and implementation experience, strong SharePoint and Teams skills, project management ability, and a willingness to learn, take ini

Full-time

USD 95,000.00 - 120,000.00 per year

Software Engineer- Senior

Herndon, Virginia

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Today

Job Description This position requires an active TS/SCI with Polygraph. We are seeking a versatile Senior Software Developer with expertise in secure software engineering. The ideal candidate will combine technical proficiency in development of tools and cyber security. The candidate will work in an agile environment, collaborating with cross-functional teams to address a broad range of IT issues while safeguarding customer assets. This role requires collaboration across cross-functional teams

Full-time

USD 154,000.00 per year

Systems Integration Analyst

Sterling, Virginia

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Today

Job ID: 2617114 Location: Sterling, VA, US Date Posted: 2026-09-22 Category: Information Technology Subcategory: IT Sys Integration Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is looking for an IT Systems Integration Analyst to join our Land Border Integration team. You will have a fast moving, challenging, and highly rewardin

Full-time

USD 80,001.00 - 120,000.00 per year

Systems Integration Analyst Senior

Sterling, Virginia

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Today

Job ID: 2617113 Location: Sterling, VA, US Date Posted: 2026-09-22 Category: Information Technology Subcategory: IT Sys Integration Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is looking for an IT Systems Integration Analyst to join our Land Border Integration team. You will have a fast moving, challenging, and highly rewardin

Full-time

USD 80,001.00 - 120,000.00 per year

Azure DevOps Engineer

Arlington, Virginia

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Today

Job ID: 2616152 Location: Arlington, VA, US Date Posted: 2026-10-14 Category: Software Subcategory: DevSecOps Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking Azure DevOps Engineer to join our team. The Azure DevOps Engineer will work at the following SAIC location: Arlington, VA. Role Overview: Tool Development: Build intern

Full-time

USD 120,001.00 - 160,000.00 per year

Cybersecurity Consultant (SOAR) [JOB ID 20260922]

Reston, Virginia

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Today

Phoenix Cyber is looking for a Cybersecurity Consultant to join our client delivery team. This position is onsite in Northern Virginia. Requirements: Degree in a STEM related discipline and/or a minimum 5 years of experience2+ years of experience developing with PythonWorking knowledge of scripting languages Bash and PowerShellAt least 3 years of experience in software development with COTS integrationWorking knowledge of one or more programming languages such as C#, JavaScript, or Node.jsExperi

Full-time

USD 150,000.00 - 200,000.00 per year

Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly

Sterling, Virginia

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Today

TITLE: Principal Systems Engineer (API Gateway) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Principal Systems Engineer to architect, integrate, and secure mission-critical API ecosystems supporting next-generation national security capabilities. In this role, you will lead the design and implementation of API gateway solutions, cloud-

Full-time

USD 200,000.00 per year

Senior Infrastructure Automation Engineer

Remote

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27d ago

Senior Infrastructure Automation Engineer Remote 12 month+ contract Federal End Customer US Citizenship required Must be able to obtain a public trust clearance W2 Hourly Pay Rate: $80/hr. Range. Benefits available System One IT has a remote, 12 month+ contract opening for a Senior Infrastructure Automation Engineer to support our client with their SEC ISS2 contract by architecting, engineering, and building an enterprise infrastructure and operations automation capability centered on Red Hat

Easy Apply

Contract

$78.25

IT Vulnerability Management Lead / Senior Security Analyst

Bethesda, Maryland

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Today

IT Vulnerability Management Lead / Senior Security Analyst Location: Bethesda, MD (Onsite 3-5 days per week) Employment Type: Full-time The National Library of Medicine (NLM) is seeking an IT Security Compliance Lead / Senior Security Analyst to join our security compliance team. In this role, you will work closely with the NLM Information Systems Security Officer (ISSO) and play a critical part in safeguarding NLM's IT infrastructure. You will be part of a broader IT program that provides end

Full-time

Senior Platform Software Engineer (AI Specialist)

Arlington, Virginia

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Today

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what's possible to empower our team and support our customers in building a safer global future. About the Role We are seeking an experienced Senior Platform Software Engineer (AI Specialist) to join our core Platform Team. Our platform functions as a curated, self-service product desig

Full-time

USD 140,000.00 - 200,000.00 per year

Software Engineer Sr

Ashburn, Virginia

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Today

Job Title Software Engineer Sr Job Description The most security-conscious organizations trust Telos Corporation to protect their vital IT assets. The reputation of our company rests on the quality of our solutions and the integrity of our people. Explore what you can bring to our solutions in the areas of cyber, cloud and enterprise security. Be a part of the Telos culture and see what sets us apart! Telos offers an excellent compensation package with benefits that include generous paid tim

Full-time

USD 110,000.00 - 150,000.00 per year

Multi Cloud Engineer

Chantilly, Virginia

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Today

Cloud Engineer Location: Chantilly, VA Experience: Midlevel /Senior Must have an active TS/SCI Full Scope Poly Clearance Requirements Mandatory Skills: Demonstrated experience and knowledge of cloud-based networks with very high data security requirements. Demonstrated experience with AWS and cloud services to include API configurations. Demonstrated experience with programming languages including Python, Linux, C++, and Windows shell. Demonstrated experience with operating systems such as

Full-time

Windows API jobs in Herndon, VA 20170, USA