Senior Network Security Engineer

## Senior Network Security Engineer Apply locations:
301 S 4th Ave, Phoenix, AZ 85003time type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
July 10, 2026 (9 days left to apply) job requisition :
JR24377
** Posting Date
** 06/30/26
** Final date to receive applications
** 07/09/26
** Pay Range**$97,250 - $142,500 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  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 on-site center, Maricopa County Kids Club, dedicated to serving Maricopa County families
* Paid vacation, sick time, and parental leave
* Extensive wellness program, including an incentive
* Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring a 12% monthly contribution rate that includes a 100% employer match on Day 1
* Want to learn more about the County’s Qualifying and Compensation Philosophy? Follow this link to learn more!  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
* A combination of post-secondary education and/or job-related experience may substitute for the minimum qualifications on a year-for-year basis.
** Other Requirements
*** Successful candidates must currently possess, or have the ability to obtain, a valid Arizona Driver's license by the time of hire
** 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)
* 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…