57 application support engineer jobs at 41 companies in Fredericksburg, VA
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
TransCore: Provides electronic tolling and intelligent traffic management solutions.
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
Washington D.C. or Chicago or New York City or Los Angeles
$133k-$183k/yrHybridFull Time
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery and litigation platforms, APIs/ETL/data integrations, Microsoft SQL, Linux, REST APIs, PowerShell, emerging AI, strong communication and problem-solving.
Relativity Server/One, Reveal, BrainSpace, AI, APIs, REST APIs, ETL, data pipelines, Microsoft SQL, Linux, PowerShell
ManTech: Provides technology solutions for defense and intelligence agencies.
4+ YOEBachelor's in IT/CS/MIS or equivalent with 4+ years (or HS diploma with 10+ years); strong SQL/NoSQL, HTML/CSS/JavaScript, REST API familiarity, Postman, Splunk/Datadog, AWS/Azure, ServiceNow experience; active TS/SCI with poly required.
Senior Staff Engineer Field Application Engineering
Washington or Andover
$128k-$176k/yrOnsiteFull Time
Infineon TechnologiesFrankfurt Stock Exchange: IFX: Designs and manufactures semiconductors for power and IoT systems.
5+ YOEBachelor's in EE/CE or related; 5+ years in field/applications engineering supporting power electronics or semiconductors; expertise in GaN/Si MOSFETs, power switching and high-frequency power design; schematic/PCB review experience; strong communication and account management skills.
MetroStar: Provides digital transformation and IT services to government agencies.
5+ YOEActive Top Secret clearance with current or former SCI access, 5+ years supporting application delivery and load balancing, hands-on F5 expertise, troubleshooting, monitoring, documentation, and automation experience.
Principal Application Engineer (Financial Systems)
Vienna, Virginia, United States
$150k-$206k/yrHybridFull Time
Navy Federal Credit Union: Offers banking and financial services to the military community.
7+ YOEBachelor's in CS/IS or equivalent, 7+ years application/software engineering, advanced proficiency in SQL, Python, JavaScript, web technologies, cloud platforms, enterprise app support, and incident management.
Recorded Future: Provides AI-driven threat intelligence to protect organizations from cyberattacks.
5+ YOE5+ years in DevOps/SRE/platform roles with strong Kubernetes, Docker, Linux, cloud, networking, CI/CD, and scripting skills; experience with image/VM builds and security integrations.
ElsightASX: ELS: Provides real-time connectivity bonding for unmanned vehicles and drones.
2+ YOE2+ years customer-facing technical support or professional services, networking fundamentals (TCP/IP, VPN, routing, NAT), Linux and Python experience, strong communication, US work authorization, willingness to travel multiple times per month.
Python, Linux, TCP/IP, VPN, routing, NAT, LTE, 5G, RF, SAT
Steampunk: Federal digital transformation and consulting services provider.
Develop and maintain Salesforce applications using Apex, LWC, Flows, and Lightning App Builder; support data migration, security, testing, troubleshooting, Agile collaboration, and developer mentoring.
Myth Software: Provides software development and IT services to federal agencies.
3+ YOE3+ years supporting Java applications (Spring); 1 year Angular; Agile experience with Jira; unit testing; strong communication and collaboration skills; ability to obtain CBP clearance.
Java, Spring, Angular, AngularJS, Jira, Git, Bamboo, Jenkins, SonarQube, Amazon Web Services (AWS), JMS, IBM MQ, ActiveMQ, Oracle, PostgreSQL, Linux
CellebriteNASDAQ: CLBT: Provider of digital forensic and investigative intelligence software solutions.
2+ YOERemote (Pacific Time) or hybrid support role; 2+ years technical/IT support experience; advanced Windows workstation support, intermediate networking, application software support, CRM case management, strong communication and problem-solving skills.
Windows, CRM, Salesforce, Microsoft Project, Monday Board, SQL, Claude, ChatGPT, Copilot, iOS, Android, AWS, Microsoft Cloud services
MicroHealth: Provides health information technology services for federal agencies.
10+ YOE10+ years SQL database development/administration experience; expertise with Microsoft SQL Server and IBM DB2; Linux and Windows administration; SSRS/SSIS/Crystal Reports; ETL, migrations, and production support.
Microsoft SQL Server, IBM DB2, SQL Server Management Studio (SSMS), SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), SQL Server Agent, Database Mail, SAP Crystal Reports, Windows Server, Linux, Azure DevOps, Azure, Shell scripting
Diaconia: Provides secure IT modernization and engineering for government agencies.
3+ YOE3+ years MVC.NET/C#/Visual Studio experience, Microsoft DevOps, U.S. citizenship, active Secret clearance; experience with T-SQL, Bootstrap, RESTful services, JavaScript; Agile and Tier-3 support experience preferred.
iCatalyst: Provides IT modernization and AI solutions to federal agencies.
10+ YOE10+ years in solution architecture or enterprise application development, PL-600 required, 3+ years supporting government agencies, Microsoft Power Platform and systems integration expertise, bachelor\u0002s degree in STEM, U.S. citizenship and Public Trust clearance eligible.
Microsoft Power Platform, Robotic Process Automation (RPA), Natural Language Processing (NLP), Machine Learning (ML), CMMI ML 3
System Development Engineer - Productivity Tools, Amazon Leo Productivity Engineering Application Services (ALPEAS)
Bellevue or Arlington
$129k-$175k/yrOnsiteFull Time
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
Experience automating, deploying, and supporting large-scale infrastructure; programming in a modern language; Linux/Unix and CI/CD familiarity; knowledge of requirements and collaboration tool administration and secure operations.
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
12+ YOEExtensive hands-on experience packaging and deploying applications on Windows 11 using Intune/MCM/PAT, scripting with PowerShell/VBScript, working in classified environments, and supporting large enterprise endpoints.
Intune, PAT, MCM, Software Center, FTP, Windows 11, PowerShell, VBScript, WIM, Microsoft Connected Cache (MCC), Windows Update for Business (WUfB), SQL
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEBachelor's degree in a technical field, 3+ years supporting enterprise engineering applications, SQL and scripting proficiency, BI dashboard experience, and strong technical communication skills.
Washington or Baltimore or Frederick or Annapolis Junction
$145k-$165k/yrHybridFull Time
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years in customer-facing technical roles; strong troubleshooting of Java applications, Linux/Bash, SQL, web servers (Jetty/Apache/IIS), PKI/certificates, release/support processes; DoD 8140/DCWF qualification (CompTIA Security+ covers); active DoD Secret required; US citizenship.