Information Systems Senior Support Technician

Stellar; Plummers (FL); On-site; USD 70,000 - 95,000; Full time

Benefits offered by this job

Competitive pay

Remote & hybrid options

Paid time off

Paid holidays

Medical, dental, and vision insurance

HSA/FSA

Life and disability insurance

401(k) match

Job summary

Stellar in Jacksonville, FL, seeks an experienced IT Support professional to deliver advanced technical support across hardware, software, mobile devices, Microsoft 365, and networks. You will diagnose complex issues, manage escalations, configure systems, and maintain accurate documentation.

The role requires a Bachelor’s degree or equivalent, 5+ years in technical support, and strong skills in Windows, AD, Intune, PowerShell, and enterprise software deployment.

Qualifications

• Bachelor’s degree in information technology or equivalent experience.
• Strong certifications such as CompTIA A+ or Microsoft certification preferred.
• 5+ years in a technical support role.
• Extensive experience with Microsoft 365 and related software.
• Experience in automation and Microsoft Admin portals.
• Experience supporting Apple and Android devices.
• Strong problem-solving and independent work ability.

Responsibilities

• Provide advanced technical support across hardware, software, mobile devices, and networks.
• Diagnose issues, identify root causes, and manage escalations.
• Install, configure, maintain, and secure systems and devices.
• Maintain documentation and inventory records.
• Lead complex initiatives, manage priorities and risks.
• Train users and mentor technicians.
• Evaluate emerging technologies and recommend improvements.
• Support strategic planning and long-term initiatives.
• Communicate effectively with customers across all levels.
• Handle conflicts professionally and work under pressure.

Skills

Advanced troubleshooting across HW, SW

Windows operating systems

Microsoft 365

Mobile platforms

Active Directory

GPOs / Hybrid identity

Microsoft Intune

Enterprise software deployment

PowerShell scripting

DNS / DHCP

Support ticketing systems

Remote-support tools

Communication and mentoring

Automation platforms

Apple/Android device support

Education

Bachelor’s degree in information technology or related field

CompTIA A+ / Microsoft certification

5+ years in technical support

Experience with Microsoft Admin portals

Tools

Microsoft Admin portals

Automation platforms

Ticketing systems

Apple/Android device management tools

Job description

Job Details

Posting Details

• Posted on November 2, 2026

Locations

Showing 1 location

Jacksonville, FL 32257, USA

• On-site
• Information Technology
• Full-Time
• Requisition #: INFOR001442

Description

Key responsibilities include:

• Deliver advanced technical support across hardware, software, mobile devices, peripherals, Microsoft 365, and networks.
• Diagnose complex issues, identify root causes, and manage critical escalations.
• Install, configure, maintain, and secure supported systems and devices.
• Maintain accurate documentation, inventory records, and procedures.
• Lead complex initiatives, manage priorities and risks, and deliver on commitments.
• Identify trends, improve support processes, and share best practices.
• Build trusted customer relationships and communicate effectively across all levels.
• Train users, mentor technicians, delegate work, and provide technical oversight.
• Evaluate emerging technologies and recommend improvements.
• Support strategic planning and long-term support initiatives.
• Resolve conflict constructively and remain effective under pressure.
• Demonstrate accountability, integrity, discretion, and sound judgment.
• Perform other duties as assigned.

Required Skills/Abilities:

• Advanced troubleshooting across hardware, software, mobile devices, peripherals, and networks.
• Strong knowledge of Windows, Microsoft 365, mobile platforms, ticketing systems, and remote-support tools.
• Advanced Technical knowledge of Active Directory, GPOs, and hybrid identity
• Strong knowledge of Microsoft Intune, application packaging, and enterprise software deployment.
• Strong knowledge of endpoint patch management
• Advanced Knowledge of enterprise network protocols, DNS, and DHCP
• Knowledge of mapped drives and NTFS permissions
• Excellent communication, customer service, and relationship-building skills.
• Strong knowledge developing, maintaining, and troubleshooting PowerShell and batch scripts to automate software deployment, system configuration, and routine support tasks.
• Strong analytical judgment, problem-solving, and decision-making skills.
• Ability to lead complex initiatives, manage priorities, and work independently.
• Adaptability, resilience, accountability, integrity, and discretion.
• Effective conflict resolution, negotiation, and collaboration skills.
• Ability to train, mentor, delegate work, and provide technical oversight.
• Ability to support strategic planning and recommend technology improvements.
• Proficiency in peripheral management and inventory systems.
• Ability to work independently, collaborate as part of a team, and guide less-experienced technicians.

Education/Experience:

• Bachelor’s degree in information technology or a related field, or equivalent relevant experience.
• Relevant certification such as CompTIA A+, Microsoft certification, or an equivalent credential is strongly preferred.
• 5+ years of experience in a technical support role, preferably in an information services support environment.
• Demonstrated expertise in troubleshooting and resolving technical issues independently and effectively.
• Extensive experience supporting Microsoft operating systems, Microsoft 365, and related software applications.
• Advanced experience in all Microsoft Admin portals
• Experience in automation platforms preferred
• Experience supporting Apple and Android mobile operating systems and applications.
• Strong analytical, decision-making, and problem-solving skills.

Travel Requirements:

• Flexibility to travel on short notice for urgent business needs, to attend meetings, training, and events.
• Maintain a professional demeanor and appearance during business trips.
• Compliance with company travel policies and procedures.

Physical Requirements:

• Ability to sit, stand, and walk for long periods of time
• Ability to use a computer, phone, printer, scanner, and other office equipment.
• Visual acuity for detailed work and computer use
• Ability to lift, carry, and move up to 25 pounds of files, documents, and materials.

About Stellar:

Stellar offers a comprehensive package which includes:

• Competitive pay based on experience
• Remote & hybrid work options for many positions
• Paid Time Off – accrue 15 days (120 hours) within first year of service
• Paid holidays
• Medical, dental, and vision insurance options
• Tax-advantaged accounts (HSA, FSA, Dependent Care FSA)
• Company-paid life and disability insurance
• 401(k) – company match with immediate vesting

Stellar, headquartered in Jacksonville, FL, is a fully integrated firm focusing on design, construction, architecture, engineering, and mechanical services worldwide for over 30 years. Stellar combines a multitude of capabilities to create buildings and systems of exceptional long-term quality, value and efficiency. From food processing plants and healthcare facilities to refrigerated warehouses, automated production lines and beyond, we offer an integrated approach to meet all our clients’ needs.

Stellar is an Equal Opportunity Employer and does not discriminate against any applicants for employment based on their race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, physical or mental disability, genetic information, veteran status, uniformed servicemember status, or any other status protected by law.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.