ManTech International

Software Test Engineer

ManTech International • $128K — $214K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a technical discipline with 8+ years of relevant experience, or 12+ years of experience in lieu of a degree.
  • Hands-on experience with automated test frameworks and CI/CD integration.
  • Proficiency in at least one object-oriented or scripting language (e.g., Python, Java, JavaScript, TypeScript, C#, or Go).
  • Practical knowledge of AWS or comparable cloud infrastructure (Azure, GCP).

Responsibilities

  • Collaborate closely with software development, engineering, and operations teams as a key testing resource.
  • Monitor and validate testing activities in alignment with the customer's data lifecycle management processes.
  • Utilize automated test methodologies and scripting practices to ensure system integrity.
  • Execute comprehensive testing strategies across functional, performance, integration, and regression domains.
  • Draft and maintain essential test engineering documentation and reports.
  • Support systems and data flows using enterprise data management utilities.
  • Validate system compliance across various structured data types and file formats.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
General information

Requisition #

R71132

Locations

USA-MD-Annapolis Junction

Posting Date

10/01/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

Description & Requirements

MANTECH seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Annapolis Junction, MD.

The Software Test Engineer will leverage their strong technical background and knowledge to support the customer's system evaluation efforts, to include analyzing system requirements, developing comprehensive evaluation plans, and conducting critical data collection and verification activities.

Responsibilities include but are not limited to:
  • Serve as a key testing resource collaborating closely with software development, engineering, and operations team members.
  • Monitor, align, and validate testing activities with the customer's established data lifecycle management processes.
  • Leverage automated test methodologies, framework validation tools, and scripting practices to ensure system integrity.
  • Execute comprehensive testing strategies across multiple domains, including functional, performance, integration, and regression testing.
  • Draft, update, and maintain essential test engineering documentation, artifacts, and engineering reports.
  • Support systems and data flows utilizing enterprise data management and streaming utilities.
  • Parse, validate, and verify system compliance across various structured data types and file formats.


Minimum Qualifications:
  • Bachelor's degree in a technical discipline with 8+ years of experience as a Test Engineer on programs of similar scope, or 12+ years of relevant Test Engineer experience in lieu of a degree.
  • Hands-on experience developing automated test frameworks and integrating test suites into continuous integration/continuous delivery (CI/CD) pipelines.
  • Proficiency in at least one object-oriented or scripting language (e.g., Python, Java, JavaScript, TypeScript, C#, or Go) applied to test engineering.
  • Practical knowledge of AWS or a comparable cloud infrastructure (Azure, GCP).


Preferred Qualifications:
  • Strong experience working within Linux-based environments and command-line interfaces.
  • Demonstrated success in establishing data collection protocols, executing end-to-end test strategies, and translating test metrics into actionable quality insights.
  • Experience evaluating and adopting emerging test automation tools and stacks.


Clearance Requirements:
  • Active TS/SCI 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.


The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

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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