ManTech International

Software Application Support Engineer

ManTech International$80K — $110K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT, Computer Science, or equivalent technology field with 4+ years in software application support, or a High School Diploma with 10+ years of experience.
  • Strong knowledge of SQL or NoSQL for database querying and troubleshooting.
  • Familiarity with HTML, CSS, and JavaScript for diagnosing front-end issues.
  • Understanding of RESTful APIs and experience with tools like Postman or log viewers to troubleshoot errors.
  • Familiar with cloud architectures such as AWS or Azure in the SaaS environment.
  • Experience with enterprise support platforms like ServiceNow.

Responsibilities

  • Diagnose and resolve complex application errors and workflow interruptions.
  • Write database queries to verify data integrity and troubleshoot issues.
  • Analyze API payloads and logs to identify failures in data exchanges.
  • Document technical issues from initial report to resolution, including communications and root causes.
  • Replicate software defects with detailed evidence for engineering teams.
  • Create and maintain user help articles and internal documentation.

Benefits

  • Access to ongoing professional development and training opportunities.
  • Opportunity to work in a dynamic team environment focused on customer satisfaction.
  • Possibility of obtaining relevant certifications within 6 months of employment.
  • Engagement in solving complex technical problems with direct impact on users.
Full Job Description
Description & Requirements

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 and experience using tools like Postman or log viewers (e.g., Splunk, Datadog) to investigate application errors.
  • Familiarity with cloud-based architectures (AWS, Azure) and how modern SaaS web applications function.
  • Experience using enterprise support platforms such as ServiceNow.


Preferred Qualifications:
  • Relevant technical certifications such as CompTIA A+, Network+, or Security+, or the ability to obtain a certification within 6 months of start date.
  • Demonstrates a logical approach to problem-solving and an innate curiosity to figure out why an application is behaving unexpectedly.
  • Excellent written and verbal communication, with the ability to explain technical workflows and workarounds clearly to non-technical users.
  • Exhibits a strong desire to help people, showing patience and professionalism when dealing with frustrated users during critical software disruptions.


Clearance Requirements:
  • Must hold an active TS/SCI clearance with Polygraph


Physical Requirements:
  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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