Jobs and Careers

Software Application Support Engineer

ManTech

United Statesfull_timeVerifiedPosted 10 Jun 2026

About the role

General information

Requisition #

R68493

Locations

USA-VA-Chantilly

Posting Date

06/08/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Software Application Support Engineer to join our technical support team in Chantilly, VA.

In this role, you will be the dedicated technical expert for our custom software applications. Your primary focus will be assisting enterprise clients and internal users with complex software configurations, application errors, data inquiries, and integration workflows.

Responsibilities include but are not limited to:

Diagnose, isolate, and resolve complex application errors, workflow interruptions, and software anomalies reported by users.
Write basic to intermediate database queries to verify data integrity, investigate user-reported discrepancies, and troubleshoot reporting issues.
Review and analyze API payloads, webhooks, and third-party integration logs to identify where data exchanges are failing.
Own technical issues from initial report through to resolution by documenting detailed troubleshooting steps, customer communications, and root causes within the ticketing system.
Replicate and document verified software defects with clear technical evidence (logs, reproduction steps, environment details) for escalation to the Product and QA engineering teams.
Create and maintain user-facing help articles, FAQs, and internal knowledge base documentation regarding application features and updates.

Minimum Qualifications:

Bachelor’s degree in Information Technology, or Computer Science, or Management Information Systems (MIS) or in equivalent technology degree and 4+ years of experience in a technical support role specifically supporting software applications, SaaS products, or web-based platforms or High School Diploma and 10 + years of experience.
Strong foundational knowledge of SQL (or NoSQL) to query databases for data verification and troubleshooting.
Familiarity with HTML, CSS, JavaScript, and browser developer tools (Inspect/Console) to diagnose front-end application behavior.
Understanding of RESTful APIs