Network Security Engineer (11318, Grade 30)

Description The Montgomery County Planning Department is seeking an experienced Network Security Engineer to join our Information Technology and Innovation Division. This position serves as a technical expert responsible for implementing state-of-the-art solutions while ensuring the security, efficiency, and reliability of the network infrastructure. The ideal candidate will proactively manage and enhance network operations, resilience and security while consistently meeting all service level agreements (SLAs).

Examples of Important Duties

• Configure and manage network devices such as routers, switches, firewalls, and wireless access points.
• Implement and manage VLANs, routing protocols (e.g. OSPF, EIGRP, BGP), and access control lists (ACLs).
• Monitor network performance and troubleshoot network issues to ensure high availability and reliability.
• Administer and maintain Cisco DNA Center / Catalyst Center platforms for enterprise routing, switching, and wireless assurance.
• Administer network security measures, including firewalls, intrusion detection systems, and access controls.
• Provide end-user support for network-related issues, including troubleshooting connectivity problems and resolving network access or performance issues.
• Collaborate with cross-functional teams to implement network-related projects and initiatives.
• Conduct regular network maintenance tasks, including software updates, patches, and backups.
• Create and maintain network documentation, including network diagrams, configuration files, and standard operating procedures.
• Prepare detailed project plans, presentations, procedures, diagrams, and other technical documentation.
• Travel regularly to Montgomery Parks locations to provide network support and assist with infrastructure needs.
• Provide weekend coverage to support the on-call staff member with network-related issues

The Ideal Candidate Will Bring

• Strong knowledge of network protocols, including TCP/IP, DNS, DHCP, and VLANs.
• Comprehensive knowledge of information technology concepts and best practices.
• Hands-on experience with network devices and technologies, including Cisco routers and switches.
• Strong knowledge of network security principles and best practices.
• Proficiency with network monitoring and troubleshooting tools.
• Effective communication skills, including the ability to explain technical concepts clearly to team members, non-technical staff, and leadership.
• Strong project management and organizational skills, with the ability to manage multiple priorities and projects from design through implementation.

Minimum Qualifications

• Bachelor’s Degree in Information Systems, Computer Science, Geographic Information Systems or any related field.
• Four (4) years of experience in applications support and development.
• An equivalent combination of education and experience may be substituted, which together total eight (8) years.
• Depending upon area of assignment, a valid driver’s license in accordance with both State and Commission rules and regulations. Driver’s license must be unencumbered by restrictions, revocations, suspensions, or points that could limit the employee’s ability to drive Commission vehicles or perform driving duties required by the position of assignment.

In addition to the minimum qualifications, the following skills and experience are a plus:

• Hands-on proficiency with Cisco Firepower, ISE, and Umbrella cloud environments.
• Experience configuring, securing, and maintaining application delivery networks using F5.
• Experience with log analysis using platforms like Splunk, Microsoft Sentinel, or IBM QRadar.
• Strong core routing knowledge, including TCP/IP, VLANs, and routing protocols (OSPF/BGP).
• Experience with wireless networking technologies.
• Certifications such as CCNP Security, CCNA, or vendor-specific Cisco security credentials.

Supplemental Information

Classification Specification: Information Systems Specialist III – 1326

May be subject to medical, drug, and alcohol testing. About Us Montgomery Planning is part of The Maryland-National Capital Park and Planning Commission (M-NCPPC). For nearly 100 years, M-NCPPC has had a national reputation for excellence in planning and today serves a culturally diverse population of over one million people on the border of Washington, D.C. in Montgomery County. We provide countywide planning functions including long-r…