Service Delivery Engineer- Tier 3 (Denver)

K3 Technology•Greenwood Village, CO

2d•$65,000 - $90,000•Onsite

About The Position

K3 Technology is a leading IT services company dedicated to helping medium to large-sized businesses overcome IT challenges. We deliver comprehensive managed services—from end-user support and cloud migrations to disaster recovery and strategic planning—allowing our clients to focus on their core operations. With deep expertise in developing custom solutions and optimizing systems for unified data sharing, we empower our clients with innovative IT support that drives business success. Our employee-centric culture means we invest in our people with the tools, training, and support needed for professional growth. We foster a transparent, communicative, and accountable work environment where every team member is valued.

Requirements

Extensive IT support experience is required; experience in an MSP environment is highly desirable.
Advanced troubleshooting across multi-platform environments (e.g., Windows, Office 365, MacOS, and complex network configurations).
Deep knowledge of server and network infrastructure is essential.
Exceptional problem-solving, analytical, and communication skills; high emotional IQ and a strong sense of ownership.
Proven ability to manage high-pressure situations and shifting priorities in an on-site environment.
Relevant advanced IT certifications (e.g., CompTIA Server+, Microsoft certifications) are a plus.

Nice To Haves

Certifications such as AZ-104, AZ-700, AZ-140, and Security+ will earn extra consideration.
Experience with Fortigate is typically handled at Tier 3.

Responsibilities

Resolve escalated technical issues with precision and efficiency, minimizing downtime.
Serve as a trusted advisor to assigned clients, driving IT strategy and innovation.
Mentor and guide Tier 1 and Tier 2 technicians through advanced troubleshooting.
Contribute to strategic projects such as system upgrades, cloud migrations, and infrastructure optimization.
Proactively optimize client environments to reduce recurring incidents and streamline service delivery.
Assist with support desk tickets when necessary, regardless of complexity, to maintain SLA compliance.
Diagnose and resolve critical network routing issues affecting multi-site connectivity with detailed firewall rule analysis and reconfiguration.
Restore functionality for a crashed domain controller server and implement long-term preventive measures.
Respond swiftly to server outages by restarting and reconfiguring services, documenting root causes for future prevention.
Troubleshoot remote worker VPN access failures caused by misconfigured firewall rules, ensuring secure and reliable connectivity.
Investigate and respond to potential security threats (e.g., Huntress alerts for ransomware) and perform post-mortem analyses to implement preventive measures.
Resolve escalated MFA enrollment issues for high-level executives to ensure compliance without disruption.
Audit client environments (e.g., Active Directory cleanup, asset inventory reviews) to enhance security and efficiency.
Develop and maintain long-term IT roadmaps, aligning infrastructure improvements with client business objectives.
Guide Tier 1/2 technicians through complex troubleshooting scenarios and document recurring issues to enhance the knowledge base.
Assist in migrations (e.g., on-premise file server to SharePoint) and coordinate with teams to ensure seamless transitions.
Implement network improvements (e.g., VLAN configurations) in collaboration with the NOC team.