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# Senior Tier 2 or Tier 3 Systems Engineer in Gaithersburg

- **Company:** Energy Jobline
- **Location:** Gaithersburg, MD, United States
- **Experience:** Expert
- **Salary:** $60,000.0 - $75,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Artificial Intelligence, Systems Engineering, Microsoft Azure, Backup Devices, VoIP, Cloud Computing, Cyber Security, Virtual Private Networks (VPN), Microsoft Software, Windows Servers, Virtualization Technology, Wireless Networks, Internet Protocol Telephony, Firewalls (Computer Science), 3-tier Architectures, Cisco
- **Published:** October 14, 2026
- **Apply:** https://www.energyjobline.com/job/senior-tier-2-or-tier-3-systems-engineer-gaithersburg-31944645

## About the Role

* 3+ years of IT support experience, preferably supporting SMBs in an MSP environment.
 * Strong troubleshooting skills across Microsoft 365, Azure, Windows Server, Active Directory, networking, firewalls, VoIP systems, cybersecurity, backup, and cloud technologies.
 * Experience supporting switches, wireless networks, VPNs, virtualization platforms, and endpoint security solutions.
 * Ability to resolve escalated technical issues and manage multiple priorities effectively.
 * Excellent communication, customer service, and organizational skills.
 * Self-motivated, dependable, and team-oriented.
 * Ability to document processes and communicate technical concepts effectively.
 * Strong sense of discretion, confidentiality, and professionalism.
 * Ability to stay calm and solution-focused when customers are stressed or upset.
 * Proactive mindset focused on accountability and continuous improvement.
 * MSP and ConnectWise experience strongly .
 * Experience supporting Zultys, Metaswitch, or Netsapiens VoIP platforms is a plus
 * Experience with WatchGuard security solutions, Ubiquiti networking, and AI-powered business tools is a plus.
 * Relevant technical certifications are a plus (Microsoft, CompTIA, Cisco, or cybersecurity).

## Description

* Troubleshoot and resolve escalated desktop, server, network, cloud, and VoIP issues.
 * Support Microsoft 365, Azure, Windows Server, Active Directory, networking, security, and backup solutions.
 * Perform upgrades, migrations, deployments, and project work.
 * Diagnose root causes and implement long-term solutions.
 * Assist with technical planning, recommendations, and client projects.
 * Provide guidance to Tier 1 technicians.
 * Perform onsite support, installations, and project work as needed.
 * Maintain accurate ticket notes, time entries, and documentation.
 * Follow procedures while helping drive continuous improvement.
 * Participate in after-hours maintenance and on-call support as needed.
 * Log detailed activities, track calls/requests utilizing ticketing software, and maintain historical records related to problem documentation and resolution
 * Assisting colleagues as necessary