Tier-1 Service Desk Specialist

General information

Requisition #

R68978

Locations

USA-CA-Pasadena

Posting Date

06/26/2026

Security Clearance Required

Public Trust/Suitability

Remote Type

Hybrid

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Tier-1 Service Desk Specialist/Analyst to join our team in Altadena, CA.

The Tier-1 Service Desk Specialist/Analyst will leverage their technical background and customer service skills to provide IT support in a heterogeneous environment, to include Windows, Mac, and Linux platforms. You will help resolve a broad range of technical issues for computer and mobile hardware, software, and network systems while ensuring excellent problem ownership and customer satisfaction.

Responsibilities include but are not limited to:

• Providing basic application and hardware support to Service Desk callers, including answering calls and creating or maintaining incident tickets within ServiceNow.
• Resolving technical issues in support of user computer hardware, mobile devices, software, and network-related systems.
• Verifying device functionality and service availability while providing callers with technical solutions based on the Knowledge Base (KB).
• Escalating complex issues to appropriate support teams or other IT service providers when advanced subject matter expertise is required.
• Maintaining and updating accurate records, tracking metrics, and processing documentation to promote end-user satisfaction.
• Performing other operational and technical duties as assigned to support the heterogeneous IT environment.

Minimum Qualifications:

• High School Diploma/GED
• 3+ years of related experience in computer hardware, software, networking systems, and troubleshooting.
• Demonstrated experience in the setup, configuration, use, and troubleshooting of diverse computer systems.
• Strong analytical thinking, creativity, and ingenuity in diagnostic and problem-solving processes.
• Exceptional organizational abilities with a sharp attention to detail.
• Proven expertise as a communication expert, with the ability to articulate technical information clearly over the phone.

Preferred Qualifications :

• Bachelor's Degree in Computer Science or a related technical field.
• Experience supporting a heterogeneous environment containing Windows, Mac, and Linux operating systems.
• Experience utilizing ServiceNow or similar enterprise ticketing and incident management systems.

Clearance Requirements:

• Must be a U.S. citizen with the ability to obtain and maintain a Public Trust clearance.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• 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 $38,000.00-$62,500.00. 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.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.