Senior Technical Support Specialist

Addison Group • $85K — $90K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in service desk operations
  • Thorough knowledge of Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive)
  • Experience with Windows 10/11 and macOS
  • Strong troubleshooting and problem-solving skills
  • Ability to communicate technical information to non-technical users
  • Capacity to mentor junior team members in advanced technical issues
  • Proficiency in managing IT asset inventory and lifecycle

Responsibilities

  • Provide advanced onsite and remote technical support for various ministry platforms
  • Troubleshoot and resolve complex technical issues using knowledge base resources
  • Document and monitor incidents/service requests in the ITSM platform
  • Coordinate with IT teams and vendors on existing systems and technology implementations
  • Triage and prioritize service desk tickets, ensuring SLA compliance
  • Act as primary owner of Tier 1 and Tier 2 support incidents, engaging Tier 3 as needed
  • Perform diagnostic testing and root cause analysis on recurring incidents

Benefits

  • Eligibility for medical, dental, and vision coverage
  • 401(k) retirement plan options
  • Direct hire position with potential for long-term stability
  • Opportunity to work in a collaborative IT environment
  • Onsite work in Washington, DC, fostering team engagement
Full Job Description
Position: Senior Technical Support Specialist

Location: Washington, DC (5 days a week onsite)

Work Schedule: Monday - Friday

Assignment Type: Direct Hire

Salary Range: $85,000 - $90,000 / Year

Benefits: This position may be eligible for medical, dental, vision, and 401(k).

Work Authorization: Must be authorized to work in the United States. This position is not eligible for sponsorship

As the Sr. Technical Support Specialist, you are a vital part of the IT Team. In this role, you are responsible for investigating, diagnosing, and resolving technical support issues for the ministry. This individual serves as an advanced support specialist who assists junior-level support personnel when needed and investigates more complex issues.

Your Essential Responsibilities:

In this position, you will:
• Provide advanced onsite and remote technical support across all ministry platforms, including cloud-based applications, SaaS tools, endpoint devices, and network systems, leveraging modern remote management and monitoring tools.
• Apply technical expertise, and knowledge base resources to identify, research, and resolve complex technical issues efficiently and accurately.
• Document, track, and monitor all incidents and service requests within the IT service management (ITSM) platform to ensure timely resolution, accurate reporting, and knowledge base maintenance.
• Coordinate with team leads, IT personnel, and third-party vendors to address issues related to existing IT systems, cloud platforms, and implementations of new technologies, including migrations and integrations.
• Triage, prioritize, and route service desk tickets using the Service Desk system, ensuring proper categorization, escalation paths, and SLA compliance across all support tiers.
• Serve as the primary owner of Tier 1 and Tier 2 (advanced) support incidents, including escalations from Tier 1; engage Tier 3 or vendors as needed for complex infrastructure or application issues.
• Assist end users experiencing technical difficulties with a customer-first approach, ensuring all work is carried out in a timely manner, within defined SLAs, and with clear status communication throughout resolution.
• Perform diagnostic testing and analysis using both built-in OS tools and third-party utilities to isolate hardware, software, and network issues; document and act on test results.
• Conduct root cause analysis (RCA) on recurring or high-impact incidents; identify, implement, and validate both short-term workarounds and long-term permanent fixes.
• Ensure all workarounds and permanent fixes are documented in the knowledge base and communicated to Tier 1 team members to reduce repeat escalations and improve first-call resolution rates.
• Collaborate with IT infrastructure, Enterprise Applications, Cybersecurity, and development teams to reproduce issues in test environments, validate patches and fixes, and support change management processes.
• Maintain clear, proactive, and timely communication with end users, stakeholders, and the service desk team throughout the lifecycle of all open support cases, including regular status updates for high-priority incidents.
• Actively identify and contribute to ongoing process improvements, automation opportunities, and service desk efficiency initiatives.
• Engage directly with technology vendors and managed service providers (MSPs) to escalate complex issues, manage warranty/RMA processes, and ensure hardware and software systems remain fully operational.
• Manage IT asset inventory and equipment lifecycle, including procurement tracking, hardware refresh cycles, configuration, imaging, and disposal, using asset management tools to ensure accurate records and minimize downtime.
• Administer, update, and troubleshoot unified communications systems, including VoIP/cloud telephony platforms, video conferencing tools (e.g., Microsoft Teams, Zoom), and collaboration technology.

Other Responsibilities (Non-Essential):
• You will be asked to perform related duties or special projects as assigned.

Skills you need to succeed:

Demonstrated proficiency in:
• Excellent interpersonal skills;
• Proven troubleshooting and problem-solving skills;
• Proven ability to multitask effectively and handle the fluctuating workload;
• Proficient at troubleshooting problems with common office equipment.

Ability to:
• Communicate effectively with end users in non-technical terms;
• Assist and/or coach junior-level team members with advanced technical issues;
• Work responsibly with or without direct supervision;
• Travel as needed.

Education and/or experience:
• 5+ years' experience in service desk operations;
• Thorough working knowledge of Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive), Windows 10/11, macOS, and common enterprise software applications.

About Addison Group

Addison Group is a professional staffing and consulting firm that provides services in the areas of information technology, finance and accounting, healthcare, human resources, and administration. The company was founded in 1999 and is headquartered in Chicago, Illinois. Addison Group has over 2500 employees and operates in 22 locations across the United States. The company has been recognized as one of the fastest-growing private staffing firms in the United States by Inc. Magazine.
Learn more about Addison Group
Size
2,500 employees
Industry
Founded
1999

Similar Jobs

More Jobs at Addison Group

More Information Technology Jobs

Find similar Senior Technical Support Specialist jobs: