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# Senior Information Technology Support Engineer in Mundelein

- **Company:** Energy Jobline
- **Location:** Mundelein, IL, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Wireless LAN, Active Directory, Amazon Web Services, Microsoft Azure, Microsoft Online Services, Cloud Computing Security, Configuration Management, CompTIA Security+, Disaster Recovery, Network Service, Computer Networking Systems, Cloud Platform System, Microsoft InTune, Information Technology, Firewall Services Module
- **Published:** October 2, 2026
- **Apply:** https://www.energyjobline.com/job/senior-information-technology-support-engineer-mundelein-31816148

## About the Role

* 5-7+ years of experience in IT infrastructure/support, including demonstrated ownership of Microsoft enterprise environments.
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 * Positive and friendly approach to end users and others requiring IT support assistance
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 * Strong hands-on experience supporting and engineering Microsoft enterprise environments (Azure, Microsoft 365, Intune, Defender, hybrid AD).
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 * Proven experience operating IT infrastructure in secure, high-availability or business-critical environments.
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 * Solid understanding of cybersecurity principles, endpoint security, management and risk-based decision making.
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 * Demonstrable experience working within structured IT service management processes (incident, problem, change).
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 * Experience contributing to business continuity, disaster recovery and resilience planning from a technical perspective.
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 * Ability to communicate technical concepts clearly to both technical and non-technical stakeholders.
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 * Proactive, methodical approach with a strong focus on quality, documentation and continuous improvement.
\n, * Bachelor's degree in Computer Science or related field ; or equivalent professional experience.
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 * Experience with cloud security, conditional access, endpoint protection and incident response.
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 * Experience with Cisco networking and firewall technologies.
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 * Relevant professional certifications (e.g., Microsoft Azure/M365 certifications, Security+, CISSP, CISM or similar). ()
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 * Familiarity with cloud environments, particularly AWS. ()
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 * Knowledge of relevant legislation and regulatory requirements (e.g., GDPR). ()
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 * Experience in broadcast, media, or other 24/7 operational environments. ()

## Description

The Senior IT Support Engineer is responsible for the reliable, secure and effective delivery of user IT support across end user and infrastructure domains. The IT Support Engineer plays a key role in ensuring IT services, infrastructure and cybersecurity controls support day-to-day business operations, content delivery and organizational resilience., The Senior IT Support Engineer drives best practice, security-by-design and continuous improvement in everything they do. The individual must have deep knowledge of network principles, all aspects of LAN, WAN and WLAN networks and Network services., n
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 * Technical delivery, stability and supportability of Microsoft-based IT services, including but not limited to Azure, Microsoft 365, Intune, Defender and hybrid Active Directory environments.
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 * IT support to end users and Technology teams
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 * Act as technical escalation point for IT, security and IT infrastructure incidents, particularly those relating to Microsoft platforms and endpoints.
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 * Ensure IT platforms are secure, resilient, scalable and fit for purpose, with security and risk considerations embedded in all designs and implementations.
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 * Implement, maintain and continuously improve cybersecurity controls in line with organizational policy and recognized best practices.
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 * Ensure systems and services align with business continuity and disaster recovery requirements.
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 * Assist with network, server, virtualization and firewall configuration.
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 * Manage and oversee patching, update cycles and configuration management, with particular emphasis on critical security updates.
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 * Define, document and promote technical standards, procedures and best practices across the IT and Support teams.
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 * Support and improve incident, problem, change and service management processes, ensuring efficient resolution and clear communication.
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 * Work closely with other Technology team members to ensure joined-up delivery across corporate and Content Technology environments.
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 * Collaborate with technology partners and vendors during design, implementation and support phases.
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 * Contribute to root cause analysis of significant incidents and define robust, long-term resolution plans.
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 * Proactively identify opportunities for service improvement, automation and operational efficiency.
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 * Maintain and contribute to internal documentation and knowledge bases to improve support effectiveness and consistency.
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 * Represent the IT technical function in cross-functional discussions where required.
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 * Mentor and train members of the IT support and related teams as appropriate.
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 * Other duties as required to support the effective operation of Technology
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