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Senior Application Support Engineer Jobs in Washington

System One

Senior Application Engineer

Vienna, VA · Remote

Senior Application Engineer Location: Remote Pay Rate: Open to Both C2C and W2 options Position ... and objectives to support projects that have impact on the achievement of operational goals.

SOSi

Senior Application Developer

Fort Belvoir, VA · On-site

$108K - $149K/yr

SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort ... NET Core and extensive experience supporting the operation, enhancement, and modernization of the ...

System One

Senior Application Engineer

Vienna, VA · Remote

Senior Application Engineer Location: Remote Pay Rate: Open to Both C2C and W2 options Position ... and objectives to support projects that have impact on the achievement of operational goals.

Bigbear.ai

Sr. Application Developer

Washington, DC · Hybrid

$85K - $205K/yr

Overview BigBear.ai is seeking a Senior Application Developer to support the Defense Intelligence Agency (DIA). This position will be based out of Washington, D.C. and will offer remote flexibility.

Goldman Edwards, Inc.

Be Seen First

Sr. Application Programmer/Developer

Washington, DC · Remote

$100K - $140K/yr

Senior Application Programmer / Developer We are seeking a Senior Application Programmer/Developer ... This position supports a federal contract and requires U.S. citizenship or lawful permanent ...

BLN24

Senior Application Developer

Mclean, VA · On-site

$97K - $133K/yr

We are seeking Senior Application Developers to support the NOAA National Weather Service AWIPS program, a mission-critical system used nationwide to process and disseminate real-time weather data ...

BLN24

Senior Application Developer

Mclean, VA · On-site

$97K - $133K/yr

We are seeking Senior Application Developers to support the NOAA National Weather Service AWIPS program, a mission-critical system used nationwide to process and disseminate real-time weather data ...

All Native Group

Senior Application Developer

Arlington, VA · On-site

$109K - $150K/yr

Working within the SearchPlus and application development team, the Senior Application Developer ... Support application integration with large-scale data stores and enterprise data warehouse ...

BigBear.ai

Sr. Application Developer

Washington, DC · On-site

$108K - $149K/yr

Overview BigBear.ai is seeking a Senior Application Developer to support the Defense Intelligence Agency (DIA). This position will be based out of Washington, D.C. and will offer remote flexibility.

Bigbear.ai

Sr. Application Developer

Washington, DC · On-site

$85K/yr

Overview BigBear.ai is seeking a Senior Application Developer to support the Defense Intelligence Agency (DIA). This position will be based out of Washington, D.C. and will offer remote flexibility.

Humana

Senior Application Architect

Washington, DC · On-site +1

... a senior developer in large IT projects * Prior project architect and/or team lead experience ... that support whole-person well-being. Associate benefits are designed to encourage personal ...

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All JobsApplication Support Engineer JobsSenior Application Support Engineer JobsSenior Application Support Engineer Jobs in Washington

Senior Application Support Engineer information

See Washington salary details

$78.7K

$146.1K

$207.3K

How much do senior application support engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior application support engineer in Washington is $146,103.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,300.00 and $163,700.00 per year, depending on experience, location, and employer.

How does a senior application support engineer typically collaborate with development and infrastructure teams to resolve complex technical issues?

As a Senior Application Support Engineer, you will frequently act as a bridge between the development and infrastructure teams when addressing complex technical issues. This involves troubleshooting application incidents, gathering detailed logs, and clearly communicating findings to developers for code-related fixes or to infrastructure teams for environment-related problems. You may participate in regular meetings, joint problem-solving sessions, and post-incident reviews to ensure seamless knowledge transfer and continuous improvement. Effective collaboration and clear communication are essential for minimizing downtime and delivering robust solutions.

What does a senior application support engineer do?

A Senior Application Support Engineer is responsible for maintaining and troubleshooting complex software applications to ensure their optimal performance and availability. They act as a technical expert, diagnosing and resolving incidents, managing escalations, and collaborating with development teams to address root causes of issues. Additionally, they may provide guidance to junior team members, implement process improvements, and communicate with stakeholders about system health and updates. Their role is crucial in minimizing downtime and ensuring a smooth user experience.

What are the key skills and qualifications needed to thrive as a senior application support engineer?

To thrive as a Senior Application Support Engineer, you need strong problem-solving abilities, deep knowledge of software applications, and experience with programming or scripting languages, usually supported by a degree in computer science or a related field. Familiarity with ticketing systems, monitoring tools, databases, and certifications like ITIL or Microsoft Certified: Azure Administrator are commonly required. Excellent communication, patience, and a customer-focused mindset help you stand out when resolving complex technical issues and collaborating with cross-functional teams. These skills ensure efficient resolution of incidents, high system reliability, and superior service delivery for end users.

What is the difference between Senior Application Support Engineer vs Application Support Engineer?

AspectSenior Application Support EngineerApplication Support Engineer
Required CredentialsBachelor's degree, certifications like ITIL, relevant experienceBachelor's degree, entry-level certifications often sufficient
Work EnvironmentCorporate IT teams, tech companies, financial institutionsSupport centers, IT departments, software vendors
Employer & Industry UsageUsed across industries requiring complex application supportCommon in software, tech, and enterprise environments
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level support roles, skill development

The Senior Application Support Engineer typically has more experience, advanced certifications, and handles complex issues, often mentoring junior staff. Application Support Engineers focus on day-to-day support tasks, troubleshooting, and maintaining applications. The senior role involves leadership and strategic responsibilities, while the entry-level role emphasizes technical support and learning.

What are the most commonly searched types of Application Support Engineer jobs in Washington? The most popular types of Application Support Engineer jobs in Washington are:
What are popular job titles related to Senior Application Support Engineer jobs in Washington? For Senior Application Support Engineer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Senior Application Support Engineer jobs in Washington look for? The top searched job categories for Senior Application Support Engineer jobs in Washington are:
What cities in Washington are hiring for Senior Application Support Engineer jobs? Cities in Washington with the most Senior Application Support Engineer job openings:
Senior Application Support Engineer jobs near you
Infographic showing various Senior Application Support Engineer job openings in Washington as of August 2026, with employment types broken down into 73% Full Time, and 27% Contract. Highlights an 46% In-person, 27% Hybrid, and 27% Remote job distribution, with an average salary of $146,103 per year, or $70.2 per hour.

Senior Application Engineer

System One

Vienna, VA • Remote

Contractor

Re-posted 12 days ago

Job description

Job Title: Senior Application Engineer Location: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description Design, develop, and optimize software applications that bridge technical teams and end-users, addressing business needs through innovative solutions and enhancing member or internal user experiences. Leverage the full software development lifecycle, including design, coding, testing, and deployment on an Agile Release Train, to ensure efficient system improvements. Work under minimal supervision and use complete understanding of business needs and objectives to support projects that have impact on the achievement of operational goals. Advanced skill set and proficiency with procedures and techniques. Responsibilities • Research and analysis of the existing CACS application and the known, documented interfaces • Identification of required changes needed for integration with downstream applications • Architecture and design documentation for the proposed processing • Engineering the technical solution, migration to the Integration environment for quality testing, and resolution of identified bugs • Debt Sale execution and validation with the possibility for some engineering work. • Design, develop, and optimize high-quality software applications using various, advanced programming languages and frameworks that meet business requirements • Collaborate with engineers, stakeholders, and team members to gather and analyze requirements and translate them into technical specifications, propose innovative solutions, and ensure timely task completion • Write advanced, clean, scalable, and maintainable code that adheres to industry best practices and organizational coding standards • Implement data structures and algorithms efficiently, optimizing code for performance, scalability, and user experience • Identify, troubleshoot, and resolve advanced application functionality, performance, and bugs, ensuring quality and system improvements • Conduct advanced and team code reviews, provide constructive feedback, and learn from colleagues' expertise to maintain a high-quality codebase • Lead small projects and initiatives, while building strong working relationships with stakeholders, team members and subject matter experts, driving collective success and continuous improvement • Contribute to generating and adhering to application and software development engineering policies, standards, and procedures • Continuously learn from individual and team experiences, fostering growth and improvement through collaboration and continuous feedback Qualifications • Bachelors Degree in Computer Science, Information Systems, a related field or the equivalent combination of education, training or experience • 10+ years of experience in application or software development engineering • Prefer knowledge and understanding of Collections business processes • Advanced proficiency in software development principles, the SAFe/Agile methodology, and version control systems • Expertise in mainframe programming languages and development tools such as JCL, COBOL, DB2 and IBM mainframe utilities (Syncsort, DFSort, ICETOOL) on z/OS. Client leverages Changeman ZMF for change management and ESP for job scheduling • Deep understanding of database structures, web technologies, and technical applications, capable of designing and implementing scalable solutions • Strong problem-solving, analytical, and troubleshooting skills, with the ability to address complex technical issues efficiently • Advanced written and verbal communication skills for articulating technical concepts to both technical and non-technical stakeholders • Experience in software testing, quality assurance, and optimizing code for performance, scalability, and maintainability • Advanced knowledge of customer support tools, ticketing systems, and knowledge base platforms for effective resolution of technical issues • Expertise in data structures, algorithms, and applying them for optimal application performance and scalability • Ability to lead projects, mentor team members, and contribute to the development of engineering policies, standards, and procedures Ref: #851-Rockville-S1