Senior Network Engineer (Senior IT Systems Specialist) - Information Technology - Enterprise Network Services

About This PositionThe City of Phoenix, Information Technology Services department is seeking an experienced Senior Network Engineer (Senior IT Systems Specialist) to join our Enterprise Network Services team. As a Senior Network Engineer, you will design, implement, and support the City's enterprise datacenter network infrastructure, serving as the subject matter expert for F5 load balancing technologies and ensuring high availability for business critical applications. This position will work closely with cross-functional teams to deliver robust, scalable, and secure network solutions across hybrid environments.Key Responsibilities And Duties IncludeDesign, implement, and maintain enterprise datacenter network infrastructure, including Cisco Nexus core switches.Configure, optimize, and troubleshoot F5 load balancers (LTM, ASM).Manage and support Internet connectivity and cloud network circuits across hybrid environments.Monitor network performance, ensure high availability, and uphold security best practices.Lead root cause analysis for critical incidents and implement permanent corrective actions.Partner with application, security, and cloud teams for seamless integration.Develop and maintain network documentation, standards, and procedures.Please note: This role requires the flexibility to participate in an on-call rotation in order to provide advanced escalation support. This is a hybrid position and is expected to be in-office 2 to 3 days a week, as needed.IDEAL CANDIDATESkilled in automation and continuous improvement.Strong understanding of network security principles.Familiarity with cloud networking (AWS, and Azure).Excellent communication, documentation and problem-solving skills.Proactive, detail-oriented, and comfortable collaborating across teams to deliver solutions that meet business objectives.Proficiency with network monitoring and troubleshooting tools (SolarWinds, Catalyst Center, Splunk, NetBrain, Wireshark).Strong expertise in datacenter networking, core switching, and application delivery technologies.Ability to:Troubleshoot complex issues and design resilient, high-performing architectures.Lead projects and mentor junior team members.Resolve complex network issues in a timely manner.SALARYPay Range: $93,121.60 to $131,040.00 annually.Hiring Range: $93,121.60 to $118,872.00 annually.Pay Range ExplanationPay range is the entire compensation range for the position classification.Hiring range is an estimate of where you can receive an offer. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, education, licenses, training, and internal equity.Promotions occur when the last two digits of the pay grade increase.Demotions occur when the last two digits of the pay grade decrease.Lateral transfers occur when there is no change to the last two digits of the pay grade.When there is a change in the first digit of the pay grade, there may also be a change to your classification or unit. Your job classification can be found in eCHRIS > Personal Details under your name, located in the top left section of the page.The pay grade and classification/unit of your current position may be found by looking up your job title on the job description page.BenefitsA comprehensive benefits package is offered which includes:Traditional pension with employer and employee contributions, click here for more details: Pension Information401(a) and 457 plans with employer contributionsChoice of generous medical HMO, PPO, or HSA/HDHP plansMedical enrollment includes a monthly $150 City contribution to a Post-Employment Health PlanWellness incentive of up to $720 annuallyDental, vision, and life insurance optionsEmployer paid long-term disabilityFree Bus/light rail passTuition reimbursement program up to $6,500 per yearPaid time off includes 13.5 paid holidays, 12 vacation days, and 15 sick days and personal leave daysPaid Parental Leave for eligible employees up to 480 hours (12 weeks) of paid leave for the birth, adoption, or foster care placement of a child during a 12-month periodFederal Student Loan Forgiveness offered through SaviFor more details, visit: Unit 007 BenefitsMinimum QualificationsTwo years of experience as an Information Technology Systems Specialist involving datacenter networking, core switching, and application delivery technologies.Bachelor's degree in computer science, information technology, math, or a related field.Other combinations of experience and education that meet the minimum requirements may be substituted.All finalists for positions are subject to a criminal background check applicable to the department or position.This position requires the use of personal or City vehicles on City business. Individuals must be physically capable of operating the vehicles safely, possess a valid driver's license and have an acceptable driving record. Use of a personal vehicle for City business will be prohibited if the employee is not authorized to drive a City vehicle or if the employee does not have personal insurance coverage.This position is subject to Criminal Justice Information Systems (CJIS) background standards. Candidates who receive a conditional offer of employment must be fingerprinted and will have their fingerprints used to check the Criminal History Records of the State of Arizona Department of Public Safety and the Federal Bureau of Investigation. Any records returned will be reviewed to determine the candidate's suitability for the job.For information regarding pre-screening and driving positions, click here.The City job description can be found here.Preferred QualificationsThe minimum qualifications listed above, plus:Five years of experience in enterprise networking, with at least three years in datacenter environments.Experience in/with:Routing and switching protocols (BGP, OSPF, VLAN, VPC).Configuring and maintaining Cisco Nexus platforms (2K, 5K, 7K, 9K).F5 load balancers or other enterprise load balancing technologies (NetScaler, NGINX etc.).Configuring and maintaining Cisco ASR and ISR series routers, access layer switches and switch stacks.Equipment lifecycle management, including hardware replacement and upgrades.Network automation (Python, Ansible).Firewall technologies and advanced security features.Layer 7 network proxy technologies for application delivery.RECRUITMENT DATESRecruitment closes May 31 , 2026. All materials must be received by 11:59 p.m. on this date.This is a position-based recruitment and will not result in any ongoing eligibility list. This recruitment and any selection processes resulting from this recruitment may be used to fill other related vacancies within the organization now or in the near future.Please note: In-person interviews are expected to be held the week of June 29, 2026. How To ApplyApply online by completing the required information and attaching, as one document, your cover letter and resume. Please include your experience as it relates to the qualifications stated above. Only the highest qualified may be posted to the eligible to hire list. The results of the resume screening process will be sent to your primary email address.During the online application process, you will provide responses to questions regarding your experience and qualifications (the system allows copy/pasting into the answer fields). Information you provide in these questions should align to the information in your resume. Information not consistent with your resume may not be considered when determining your education and/or experience level.Question: Do you currently have F5 certification in active standing? If so, please list certifications and renewal dates.WE ARE HERE TO HELPJob interviews may be held by video or audio conference.If you are in need of computer resources, click here for free options.Arizona at Work has frequent classes to help with resume writing, interviewing skills, and general career guidance. Click here for more information.Explore other Employment Opportunities with the City of Phoenix.Subscribe to receive e-mail notifications about new employment opportunities.If you require assistance at any stage of the application process due to an accessibility issue, please contact the Human Resources Department by phone at (602) 495-5700 or by text at (800) 367-8939. You may also fill out and submit a Reasonable Accommodation Request Form.REFERENCESenior Info Tech Systems Spec, JC:09570, ID# 61844, 05/12/26, USM, VM, Benefits:007Building the Phoenix of tomorrow.#DoWorkThatMakesPhoenixWorkCity of Phoenix is an equal opportunity employer. AmeriCorps, Peace Corps, and other national service alumni who meet the required qualifications are encouraged to apply.