IT Support Specialist (Tester)

Terrestris Global Solutions • Washington, DC

11d • Onsite

About The Position

The IT Support Specialist (Tester) supports the IRS Criminal Investigation (CI) enterprise endpoint test environment at the IRS test lab in Washington, DC. The role performs structured validation and testing of Windows-based hardware, software, operating systems, applications, and endpoint-management solutions to ensure technologies, configurations, updates, and hardware platforms are ready for enterprise deployment. The specialist maintains test environments, executes test plans, documents results, identifies defects, and recommends corrective actions. The position also supports endpoint imaging and lifecycle management, automated testing, configuration and change management, and technical documentation and communications. Testing must verify that endpoint solutions meet IRS-CI operational, security, and performance requirements before deployment.

The position is onsite Monday through Friday, 9:00 AM–5:00 PM Eastern Time, excluding U.S. Federal holidays. Holiday work may be required with advance scheduling. The employee must undergo a High-Risk Background Investigation and complete a 7-panel drug screening. Applicants must be authorized to work permanently in the United States without sponsorship.

Requirements

• Authorization to permanently work in the United States without sponsorship.
• At least 3 years of experience supporting enterprise endpoint management, desktop engineering, software-deployment testing, operating-system validation, or similar activities in Microsoft Windows environments.
• Experience with Microsoft Endpoint Configuration Manager (MECM), Microsoft Intune, Group Policy, and PowerShell scripting.
• Experience with application compatibility testing and documenting detailed test execution results.
• CompTIA A+, CompTIA Security+, Microsoft 365 Certified: Modern Desktop Administrator Associate, or equivalent endpoint-management, desktop-support, or security certification(s).
• Strong analytical, troubleshooting, documentation, and communication skills.
• Ability to work onsite Monday through Friday, 9:00 AM–5:00 PM Eastern Time, excluding U.S. Federal holidays; holiday work may be required with advance scheduling.
• Must undergo a High-Risk Background Investigation and complete a 7-panel drug screening.

Nice To Haves

• Experience testing hardware and software deployments across multiple endpoint platforms, authentication methods, and network configurations.

Responsibilities

• Execute structured validation and testing within the enterprise endpoint test environment.
• Support configuration and lifecycle management of endpoints, software, hardware, and associated test environments.
• Analyze, develop, implement, and maintain endpoint imaging methodologies and lifecycle-management solutions, including operating systems, firmware, drivers, BIOS, standard software, clients, and servers.
• Support automated image and version tracking and integrate new hardware into established image lifecycles.
• Develop, implement, and maintain automated testing methodologies and solutions for user profiles, endpoint management, software management, and captured test use cases.
• Maintain test environments daily and gather requirements from stakeholders.
• Review, develop, improve, and maintain test plans and testing documentation.
• Test hardware and software changes using agile and continuous-delivery methodologies.
• Validate endpoint deployments across different hardware configurations, authentication methods, and network environments.
• Identify defects, document test results, and recommend corrective actions.
• Provide management reporting on test execution, results, defects, and overall readiness.
• Support Alternatives Analysis, decision documents, white papers, and implementation of approved solutions using IRS-CI processes.
• Support configuration, change, and communications management activities.
• Assist with release communications, Standard Operating Procedures (SOPs), knowledge articles, self-help content, and other technical documentation.
• Ensure testing activities and deliverables comply with DISA Security Technical Implementation Guides (STIGs) and applicable IRS/CI security controls and policies.

Benefits

• Health benefits
• Financial benefits
• Retirement benefits
• Paid leave
• Professional development
• Tuition assistance
• Work-life programs
• Award programs recognizing exceptional performance and demonstration of service standards

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed