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Application Support System Engineer Jobs in Washington, DC

Apptium Technologies

Be Seen First

Application Support Engineer

Reston, VA · On-site

$75K - $85K/yr

The Application Support Engineer is responsible for delivering high-quality software application ... Monitor system performance, perform root cause analysis, and drive continuous improvement ...

2HB Incorporated

System Engineer

Annapolis Junction, MD · On-site

... application support and general troubleshooting • Ensure SSP compliance and STE/STN support on Linux systems. Qualifications : Required : • TS/SCI/Full Scope Polygraph Clearance • Skills in ...

2HB Incorporated

System Engineer

Annapolis, MD · On-site

... Systems Engineer to support its government customer in Annapolis Junction, MD. The successful ... Application support and general troubleshooting * SSP compliance and STE/STN support on Linux ...

Gromelski & Associates

System Engineer

Manassas, VA · On-site

$120K - $180K/yr

Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support. System Engineer The system engineer position is a blend of requirements management ...

CLVG Consulting

System Engineer

Falls Church, VA · On-site

This role provides Systems Engineering support for the installation and maintenance of the ... Net Application support * 1-2 years of SharePoint Administration * 3-5 years troubleshooting ...

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All JobsApplication Support System Engineer JobsApplication Support System Engineer Jobs in Washington, DC

Application Support System Engineer information

See Washington, DC salary details

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$54

$82

How much do application support system engineer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for application support system engineer in Washington, DC is $54.97, according to ZipRecruiter salary data. Most workers in this role earn between $43.85 and $64.23 per hour, depending on experience, location, and employer.

What does an application support system engineer do?

An Application Support System Engineer is responsible for maintaining, troubleshooting, and improving software applications within an organization. They work closely with users, developers, and IT teams to resolve technical issues, ensure optimal application performance, and implement updates or patches. Their duties often include monitoring application systems, diagnosing problems, providing technical support, and ensuring data integrity and security. This role also involves documenting solutions and best practices to help prevent future issues.

What are some common challenges faced by application support system engineers, and how are they typically addressed?

Application Support System Engineers often encounter challenges such as troubleshooting complex application issues, managing system outages, and balancing multiple support requests under tight deadlines. These challenges are typically addressed through strong problem-solving skills, effective communication with development and operations teams, and the use of robust monitoring and ticketing systems. Proactive learning and staying updated with the latest technologies also help engineers anticipate and mitigate potential issues before they escalate.

What are the key skills and qualifications needed to thrive as an application support system engineer, and why are they important?

To thrive as an Application Support System Engineer, you need a strong understanding of software troubleshooting, system administration, and a relevant degree in computer science or a related field. Proficiency with technical tools such as SQL databases, Linux/Windows servers, monitoring systems, and ITIL frameworks or certifications is often required. Excellent problem-solving abilities, communication skills, and the capacity to work under pressure help you stand out in this position. These skills are crucial to ensure system reliability, rapid issue resolution, and seamless support for business-critical applications.

Enterprise Application Support Engineer

Annapolis Junction, MD • On-site

Omniscius Consulting
See more jobs at Omniscius Consultingexternal

Full-time

Posted 22 days ago

Job description

We are seeking an experienced Enterprise Application Support Engineer / System Integrator Level 2 to support mission-critical enterprise applications and systems within a secure federal environment. The successful candidate will provide operational support, troubleshooting, system integration, and sustainment for enterprise applications while working closely with engineering, infrastructure, and mission teams.

This position requires a strong background in enterprise application support, systems administration, production operations, troubleshooting, and system integration.

Key Responsibilities
  • Provide operational and technical support for enterprise applications and supporting infrastructure.
  • Monitor application and system health, availability, and performance within production environments.
  • Troubleshoot complex application, server, operating system, and integration issues.
  • Perform installation, configuration, maintenance, patching, and upgrades of enterprise applications.
  • Diagnose incidents and coordinate resolution with engineering, infrastructure, development, and vendor teams.
  • Support distributed applications and interconnected enterprise systems.
  • Perform root-cause analysis and develop solutions to recurring operational issues.
  • Support application deployments, configuration changes, upgrades, and other sustainment activities.
  • Develop scripts and automation to improve system administration, monitoring, and operational efficiency.
  • Maintain system documentation, operational procedures, and troubleshooting information.
  • Support incident, problem, and change management processes.
  • Ensure systems remain available, reliable, secure, and compliant with applicable customer requirements.
  • Provide technical support within mission-critical environments requiring a high level of availability.
Required Qualifications
  • Demonstrated experience supporting enterprise applications and production systems.
  • Experience troubleshooting applications, servers, operating systems, and related infrastructure.
  • Experience with enterprise system administration, integration, maintenance, and sustainment.
  • Knowledge of Windows and/or Linux operating environments.
  • Understanding of networking concepts including TCP/IP, DNS, HTTP/HTTPS, and application connectivity.
  • Experience supporting highly available or mission-critical systems.
  • Ability to troubleshoot complex technical problems and coordinate resolution across multiple technical teams.
  • Strong written and verbal communication skills.
  • Ability to work effectively within a secure federal or DoD/Intelligence Community environment.
Desired Qualifications
  • Experience supporting 24/7 production or mission environments.
  • Experience with cloud or virtualized infrastructure such as Azure, AWS, OCI, or VMware.
  • Experience with PowerShell, Python, or other scripting/automation technologies.
  • Experience with monitoring, logging, alerting, or observability platforms.
  • Experience providing Tier 2/Tier 3 application or systems support.
  • Experience with application deployments, upgrades, patching, and configuration management.
  • CompTIA Security+ or other relevant technical/security certification.
  • Previous Intelligence Community or DoD contracting experience.
Clearance

Active TS/SCI with FS Polygraph required

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