Network Analyst / Senior Systems Engineer II

• Administer enterprise firewall platforms, including configuration, firmware maintenance, security policy management, and lifecycle planning.
• Design, deploy, and support wired and wireless networking solutions across corporate and remote offices.
• Manage WAN, ISP, and telecommunications services, including circuit implementations, upgrades, disconnects, and vendor escalations.
• Troubleshoot network performance, connectivity, routing, DNS, VPN, and wireless issues.
• Maintain a strong understanding of TCP/IP addressing, subnetting, VLANs, routing, and network troubleshooting principles.

Cybersecurity Operations:

• Investigate and respond to security alerts generated by MDR, SIEM, endpoint protection, DLP, and Microsoft 365 security platforms.
• Collaborate with external security providers and internal stakeholders during security investigations.
• Review suspicious activity, user behavior alerts, email threats, and data protection incidents.
• Assist with risk assessments and security reviews of new applications and technologies.

Systems & Infrastructure Operations:

• Monitor enterprise infrastructure and respond to operational alerts.
• Support Windows server infrastructure, cloud-connected services, and hybrid environments.
• Participate in maintenance windows and infrastructure upgrades.
• Develop and maintain technical documentation, diagrams, inventory records, and operational procedures.
• Apply knowledge of data backup principles, recovery objectives, and supporting backup hardware and software.
• Demonstrate strong troubleshooting skills across endpoint, printer, application, network access, and infrastructure issues.
• Manage and support VMware and Hyper-V environments, including migrations and lifecycle maintenance.
• Administer IIS, SSL/TLS certificates, and related web services.
• Manage SFTP administration and PGP encryption.
• Administer Microsoft Teams, including Teams Phone, calling policies, and related support functions.
• Administer Microsoft Intune.
• Administer Microsoft Purview.

Project Leadership:

• Lead infrastructure modernization projects, including network refreshes, firewall replacements, and connectivity initiatives.
• Coordinate technical vendors and service providers.
• Create project plans, timelines, implementation documentation, and status reports.
• Assist with budgeting, hardware lifecycle planning, and technology evaluations.

• Strong knowledge of TCP/IP, subnetting, VLANs, routing, DNS, VPN, and wireless networking.
• Experience administering firewalls, switches, wireless access points, and WAN/ISP services.
• Experience supporting Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, and Azure environments.
• Strong troubleshooting skills across endpoints, applications, printers, network access, and infrastructure.
• Ability to document technical processes, diagrams, configurations, and operational procedures.
• Security-focused approach to infrastructure, systems administration, and user support.

Preferred Skill Sets:

• Zscaler administration experience.
• Microsoft Intune and Microsoft Purview experience.
• VMware and Hyper-V administration, migration, and lifecycle management experience.
• SFTP administration and PGP encryption experience.
• Microsoft Teams Phone administration experience.
• Mac support experience.
• Jira administration experience.
• PCI compliance experience.
• Network performance monitoring and intrusion detection experience.
• Familiarity with AI and large language model technologies.
• Familiarity with nonprofit work environments is a plus., * Communicate technical issues clearly to non-technical users, leadership, vendors, and cross-functional teams.
• Ability to work after hours as needed for maintenance windows, upgrades, incident response, and emergency support., * Associate degree and at least five years of relevant professional experience; equivalent experience may be considered.
• Relevant technical certifications are a plus.
• Ability to sit and stand for extended periods of time and lift up to 40 pounds.

Benefits/Pay: Salary will be based on experience and education. DU offers an exceptional benefit package, including comprehensive group medical, prescription, dental and vision insurance, including spouse and dependent coverage; three weeks paid vacation, paid sick leave, and ten paid holidays; 401(k) plan (including partial employer match); and tuition reimbursement.