Proxies jobs in Fort Belvoir, VA

Senior Software Engineer - Network Services/Proxy

Remote

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16d ago

Take ownership of an existing Go-based proof of concept and mature it into secure, maintainable, production-ready proxy software. Core Responsibilities Review and rapidly understand an existing proxy codebase. Develop traffic-management, failover, connection-draining, recovery, telemetry, and operational-control capabilities. Build reliable software for persistent TCP connections and stateful traffic movement. Resolve defects and improve performance, resiliency, security, and maintainability. B

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Contract

85 - 95

Human Network Analyst

Falls Church, Virginia

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Today

This position may be filled prior to the posted deadline. Interested candidates are encouraged to apply as soon as possible. Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Human Network Analyst with a TS/SCI security clearance to support KITS and our government customer in Falls Church, VA. We offer competitive compensation and an extraordinary benefits package. Benefits include medical, dental, and vision insurance, 401(k) retirement plan, paid time off, paid parenta

Full-time

USD 160,000.00 per year

Cyber Engineer

Alexandria, Virginia

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Today

We are an employee-centric company that truly values our team members and the contributions they make to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and on building teams that are, and continue to be, technically proficient across a broad range of cyber mission areas. OneZero full-time employees receive a highly competitive benefits package, including health, dental, vision, and life insurance, a 401(k) with company matching, paid time off an

Full-time

USD 110,000.00 - 130,000.00 per year

Firewall Operations Engineer

Springfield, Virginia

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Today

Job ID: 2617331-OTHLOC-213 Location: Springfield, VA, US Date Posted: 2026-09-28 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Evening Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: ORA_HYBRID Description This is an opening for a Firewall Operations Engineer to support a Department of State (DoS) Bureau of Diplomatic Technology (DT) program. This program provides transparen

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Edge Security Engineer

Arlington, Virginia

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Today

Senior Edge Security Engineer Job Description Overview CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for o

Full-time

USD 120,000.00 - 203,000.00 per year

PKI Systems Engineer

Springfield, Virginia

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Today

Job ID: 2618069 Location: Springfield, VA, US Date Posted: 2026-10-16 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description Position Description: The Enterprise & Mission Solution Business Unit currently has an opening for a Public Key Infrastructure (PKI) Systems Engineer to support the Departmen

Full-time

USD 100,001.00 - 140,000.00 per year

Program Field Applications Engineer

Washington, District of Columbia

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Today

The Opportunity: As a Program Field Applications Engineer, you will be taking the lead in deploying, installing and maintaining our Precision Clock Systems. Specifically, this means guaranteeing the reliability, safety, robustness, and lifetime of our product designs. You will be supporting a robust and resilient system in a fast-paced environment with the opportunity to grow and improve upon that system. You will support unique solutions to extend legacy hardware functionality or find ways to i

Full-time

USD 100,000.00 - 130,000.00 per year

Systems Engineer - ArcGIS Enterprise | TS/SCI

Vienna, Virginia

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Today

Overview Build and Sustain Enterprise Technology Supporting Critical National Security Missions. Join Esri`s Professional Services organization and help deploy, integrate, migrate, and optimize ArcGIS Enterprise environments supporting mission-driven customers. You`ll solve complex technical problems across enterprise infrastructure, operating systems, cloud, networking, security, databased, and ArcGIS while working directly with customers to deliver reliable enterprise solutions. Esri has a

Full-time

USD 120,640.00 - 197,600.00 per year

Backend Software Engineer - TS/SCI

Vienna, Virginia

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Today

Overview Build Software that Supports Critical National Security Missions. Join Esri`s Professional Services team and develop the backend services, APIs, integrations, and data capabilities that power mission-critical geospatial solutions. You`ll work across Python, Java/Node.js, APIs, cloud and containerized environments while helping Defense and Intelligence customer solve complex technical problems. Esri has a Relocation Assistance Program and can provide support with relocating to the Vie

Full-time

USD 97,240.00 - 162,240.00 per year

Senior DevOps Engineer

Herndon, 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. 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

Full-time

USD 145,000.00 - 210,000.00 per year

Senior Systems Engineer - ArcGIS Enterprise | TS/SCI

Vienna, Virginia

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Today

Overview Build and Optimize Enterprise Technology Supporting Critical National Security Missions. Join Esri`s Professional Services team and lead the deployment, optimization, and modernization of mission critical ArcGIS Enterprise environments supporting Defense and Intelligence customers. You`ll solve complex technical challenges spanning enterprise infrastructure, cloud, networking, security, databases, automation, high availability, and ArcGIS. As a senior technical resource, you`ll guide

Full-time

USD 156,000.00 - 239,200.00 per year

Senior System Engineer - ArcGIS (Mission-Focused)

Vienna, Virginia

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Today

Overview Join Esri`s Professional Services team and lead the design and delivery of mission critical ArcGIS deployments supporting Defense and Intelligence operations. As a Senior System Engineer, you will architect and optimize enterprise scale geospatial systems across complex, secure environments. You will guide customers on deployment strategies, high availability architectures, system performance, and integration across cloud, on-premises, and hybrid infrastructures. You will act as a tr

Full-time

USD 156,000.00 - 239,200.00 per year

System Engineer - ArcGIS (Mission-Focused)

Vienna, Virginia

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Today

Overview Join Esri`s Professional Services team and help design, deploy, and optimize mission critical geospatial systems that support national security operations. In this role, you will work directly with mission focused organizations to implement and modernize enterprise ArcGIS environments across complex, secure infrastructures. You will architect and support deployments across cloud, on-premises, and hybrid environments, ensuring performance, scalability, and reliability for high impact o

Full-time

USD 120,640.00 - 197,600.00 per year

Enterprise Logging Solution (ELS) Engineer

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 106,300.00 - 206,200.00 per year

Compute / Commvault Administrator

Alexandria, Virginia

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Today

GovCIO is currently hiring a highly skilled and motivated Compute/Commvault Administrator to support critical enterprise backup, recovery, and compute infrastructure modernization for the U.S. Coast Guard (USCG). Operating within a secured SIPRNET environment, this technical role focuses on designing, administering, and optimizing robust Commvault backup frameworks and cutting-edge Cisco UCS and VMware Cloud Foundation (VCF) platforms. This position will be located in Alexandria, VA, with travel

Full-time

USD 100,000.00 - 125,000.00 per year

Software Development Engineer II - Back-End (Mission-Focused | ArcGIS)

Vienna, Virginia

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Today

Overview Join Esri`s team and build backend systems that power mission critical geospatial applications supporting Defense and Intelligence operations. As a Software Development Engineer II, you will design and develop scalable backend services and APIs that enable complex data processing, system integration, and real time analytics. Your work will directly support high impact operational systems, helping organizations transform large scale data into actionable insights. You will collaborate w

Full-time

USD 97,240.00 - 162,240.00 per year

Firewall Operations Engineer

Beltsville, Maryland

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Today

Job ID: 2617331 Location: Beltsville, MD, US Date Posted: 2026-09-28 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Evening Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: ORA_HYBRID Description This is an opening for a Firewall Operations Engineer to support a Department of State (DoS) Bureau of Diplomatic Technology (DT) program. This program provides transparent, interconn

Full-time

USD 120,001.00 - 160,000.00 per year

Security Engineer Junior

Ashburn, Virginia

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Today

The Security Engineer Junior shall provide Security Engineering and Sustainment (SES) support in the existing technologies (e.g., datacenter location(s)), transitional locations, and Cloud environments). Responsible for advising and assisting with maintenance and engineering of the OPR IOD Cyber Forensic Enterprise Network (OCFEN) infrastructure to include hardware and software throughout its lifecycle to ensure adaptability. Utilize, by means of the agency Internal Change Request processes and

Full-time

Technical Consultant - System Engineering Focus (Mission Focused)

Vienna, Virginia

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Today

Overview Join Esri's Professional Services team as a Technical Consultant focused on system engineering for ArcGIS Enterprise. In this role, you will work directly with customers to design, deploy, migrate, and support enterprise-scale GIS systems, with an emphasis on advanced deployment strategies such as high availability, disaster recovery, and Kubernetes-based architectures. Working alongside a team specializing in ArcGIS Enterprise, you will help customers navigate complex enterprise IT e

Full-time

USD 84,240.00 - 142,480.00 per year

Cybersecurity Incident Response Triage Analyst

Arlington, Virginia

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Today

Full-time

USD 57,200.00 - 109,400.00 per year

Proxies jobs in Fort Belvoir, VA, USA