Senior Network Security Engineer (Traffic Technology Network)

Maricopa County; Phoenix, La Crosse (AZ, WI); On-site; USD 95,000 - 142,000; Full time

Job summary

Maricopa County is seeking a Senior Network Security Engineer to enhance and maintain their enterprise network and security infrastructure. The role involves secure network solutions, mentoring junior staff, and ensuring compliance with security best practices. Join a dynamic team focused on digital transformation and innovative solutions.

Benefits

Tuition reimbursement

Exceptional work-life balance

Opportunities for growth and development

Low-cost healthcare

Child care benefits

Paid vacation and sick time

Wellness program

Arizona State Retirement System participation

Qualifications

• Five years of experience in network operations and engineering.
• Experience with enterprise LAN/WAN architecture and wireless networking.
• Proficiency in network automation and scripting.

Responsibilities

• Design, implement, and maintain secure network access solutions.
• Manage enterprise identity, authentication, and access control systems.
• Provide mentorship and technical guidance to junior engineers.

Skills

Network Operations

Network Engineering

Security Best Practices

Network Automation

Scripting

Education

Bachelor's degree in Computer Science

Bachelor's degree in Information Technology

Tools

Microsoft Entra ID

Okta

Duo

Palo Alto Networks

Job description

Posting Date

05/15/25

Application Deadline

05/17/25

Pay Range

$95,000 - $141,500 annually

Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is not eligible for overtime compensation.

Job Type

Unclassified

Department

Enterprise Technology

About the Position

As a Senior Network Security Engineer, you will provide expert-level engineering and operational support for the organization's enterprise network and security infrastructure. You will play a lead role in the planning, design, implementation, and ongoing maintenance of secure network solutions across campus, data center, remote offices, cloud environments, and third-party connectivity. This includes core services such as firewall management, networking, VPNs, directory services, identity management, PKI, Web Application Firewalls (WAF), and virtual networks.

In this role, you will focus on implementing and optimizing secure connectivity and access solutions, assisting with the deployment of Zero Trust Network Access (ZTNA), and managing firewall policies, VPNs, and segmentation strategies. You will collaborate with cross-functional teams to deliver secure, resilient, and high-performing network services that meet business and regulatory requirements. As a senior engineer, you will also mentor junior staff and ensure adherence to security best practices and operational standards.

About Us

Are you looking for a career in a dynamic organization that embraces a can-do spirit? Look no further than Maricopa County's Office of Enterprise Technology!

We are a team that prides ourselves on leveraging technology to create digital transformations. We look for ways to bring about innovative solutions while providing top-notch customer service. Apply today and become part of the team that makes a lasting impact on the future of technology at Maricopa County.

Proud to Offer

• Work with a greater purpose

• Tuition reimbursement

• Exceptional work-life balance, with hybrid and alternative work schedule options

• Opportunities for growth and development within Maricopa County

• Low-cost, high-value healthcare for you and your qualifying dependents

• Child care benefits, including access to our upcoming on-site center Maricopa County Kids Club, dedicated to serving Maricopa County families exclusively

• Paid vacation, sick time, and parental leave

• Extensive wellness program, including healthcare premium discounts

• Maricopa County participates in the Arizona State Retirement System. This defined retirement benefit requires a 12.27% monthly contribution rate and includes a 100% employer match on Day 1

• Learn more at Work With Us | Maricopa County, AZ

We Require

• Five years of progressively responsible experience in network operations and engineering within enterprise or large-scale environments

• Bachelor's degree in Computer Science, Information Technology, or a closely related field

• Experience in designing, implementing, and managing enterprise network infrastructure, including on-premises, cloud, and hybrid solutions

• Experience with enterprise LAN/WAN architecture and wireless networking, including planning, deployment, and troubleshooting across campus and remote locations

• Experience deploying and configuring Multi-Factor Authentication (MFA) policies using tools such as Microsoft Entra ID, Okta, or Duo to enhance access security

• Experience supporting the design and troubleshooting of Single Sign-On (SSO) integrations using SAML, OIDC, and OAuth protocols across enterprise applications

• Experience configuring, managing, and troubleshooting Next-Generation Firewalls (NGFW)-such as Palo Alto Networks -including security policies, application control, threat prevention, URL filtering, and VPN services

• Experience implementing and supporting VPN solutions, including site-to-site and remote access configurations, with a focus on performance and security

• Proficiency in network automation and scripting (e.g., Python, Ansible, or REST APIs) to streamline configuration management and operational tasks

• A combination of relevant post-secondary education and directly related experience may substitute for the required qualifications on a year-for-year basis

We Also Value

• Okta Certified Professional / Okta Certified Administrator

• Cisco Certified Network Professional (CCNP) Enterprise or higher

• Palo Alto Networks Certified Network Security Engineer (PCNSE)

• Certified Information Systems Security Professional (CISSP)

Job Contributions

• Design, implement, and maintain secure network access solutions, ensuring availability, integrity, and confidentiality across enterprise environments

• Manage and support enterprise identity, authentication, and access control systems, including integration with internal applications and external service providers

• Administer core security infrastructure services, such as access management, name resolution, certificate management, and remote connectivity, to maintain operational reliability and compliance

• Develop and apply automation techniques to enhance operational efficiency, reduce manual processes, and enforce configuration and policy consistency

• Collaborate with cross-functional teams to ensure secure integration of new systems, services, and applications into the enterprise environment

• Review and contribute to architectural designs and security plans, ensuring alignment with organizational standards and cybersecurity frameworks

• Analyze existing policies, controls, and workflows, identifying areas for improvement and proposing actionable recommendations

• Provide mentorship and technical guidance to peers and junior engineers, promoting skill development and knowledge sharing across the team

• Maintain awareness of emerging threats, technologies, and industry best practices, recommending enhancements to improve the organization's security posture

• Create and maintain detailed technical documentation, including system designs, configurations, procedures, and diagrams to support ongoing operations and audits

Working Conditions

• Must possess or have the ability to obtain a valid Arizona driver's license by the time of hire

Selection Procedure

• Only the most qualified candidates will be considered

• Consideration will only be given to candidates who submit online applications

• Candidates will be contacted primarily through email and their Workday online application profile

• Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive

Maricopa County is an equal opportunity employer.

Apply Now!