IT Systems Engineer - Tier 3

STACK Cybersecurity; Livonia (MI); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Health Care Plan (Medical, Dental &amp

Retirement Plan (401k, IRA)

Life Insurance (Basic, Voluntary &

Paid Time Off (Vacation, Sick &

Training & Development

Job summary

STACK Cybersecurity is seeking an IT Support Technician - Tier 3 to deliver advanced technical support for desktops, servers, and networks with focus on cybersecurity practices. You will handle incident response, SIEM logging, and security tooling while maintaining strong client communication.

The role requires on-site work in Michigan, weekends/on-call as needed, and collaboration within a skilled team to protect customer environments.

Qualifications

• Advanced Windows support for MS Office, EntraID and Intune.
• Experience with backup solutions and processes.
• Network troubleshooting at Layer 3+.
• Enterprise firewall experience (IPSEC, NAT, policies).

Responsibilities

• Provide advanced technical support for desktop, server and network environments.
• Address cybersecurity incidents and malware remediation.
• Support and configure security tooling and SIEM logging.
• Communicate status and updates to clients effectively.
• Collaborate with team and meet deadlines under pressure.

Skills

Windows support

MS Office EntraID Intune

Network troubleshooting

Firewall concepts

Security incident response

Communication with clients

On-call readiness

Tools

EDR

MDR

SASE

IPS

Vulnerability scanners

Job description

About The Company

STACK Cybersecurity is a 20-year full-service Managed Service Provider (MSP) as well as a growing Managed Security Service Provider (MSSP). We are an IT consulting company that provides ongoing support and management of customer network environments, workstations, and servers with an emphasis on Cybersecurity first solutions.

About The Role

We are currently seeking talented Information Technical Support professionals for a full-time position as an IT Support Technician - Tier 3. The Tier 3 Technician is responsible for advanced technical support of desktop, Server and network environments along with advanced capabilities in Cybersecurity tactics such as Indicators of Compromise, Email Security and SIEM logging.

Requirements

Responsibilities & Qualifications

• Advanced Windows Technical Support relating to common technical issues involving Microsoft’s core business applications (MS Office, Word, Excel, Outlook, EntraID and Intune), Workstation and Server Operating Systems


• Support of Backup Solutions and Processes


• Advanced Network Support - Layer 3 and above


• Enterprise Firewall experience, including IPSEC, NAT, Policies, Rules and general configuration.


• Applications support, including installing, configuring, migrating, and troubleshooting applications and third-party line of business applications


• Malware, spam, and antivirus support on desktops and remediation of Cybersecurity Incidents.


• Strong communication skills when interacting with external clients. Keeping them informed of tickets before, during, and after service requests

Knowledge Of Cybersecurity Tools

• Familiarity with tools such as EDR (Endpoint Detection and Response), MDR (Managed Detection and Response), SASE (Secure Access Service Edge), intrusion prevention systems (IPS), and vulnerability scanners.

Problem-Solving Under Pressure

• Apply problem-solving skills effectively even in high-pressure situations.


• Prioritize and address security incidents promptly.

Effective Communication

• Present security findings and recommendations to senior leadership.


• Excellent written and verbal communication skills.

Attention To Detail And Organization

• Strong attention to detail when analyzing security data.


• Organize findings and create comprehensive reports.

Independence And Teamwork

• Work independently on security tasks.


• Collaborate effectively within a team environment.


• Deadline and detail-oriented


• Proficiency in English


• Excellent communication skills


• Requires on-time, present work ethic


• After-hours work may be required to accomplish tasks


• Weekend work may be required to accomplish tasks


• On-Call rotation participation will be required

Benefits

• Health Care Plan (Medical, Dental & Vision)


• Retirement Plan (401k, IRA)


• Life Insurance (Basic, Voluntary & AD&D)


• Paid Time Off (Vacation, Sick & Public Holidays)


• Training & Development