Enterprise Network Infrastructure Manager

Enterprise Network Infrastructure Manager

Salary

$140,670.40 - $194,833.60 Annually

Location

Santa Ana

Job Type

Full-Time

Job Number

8358MA-0726-017 (O)

Department

County Executive Office

Division/Service Area

CEO - OCIT Countywide Services

Opening Date

07/31/2026

Closing Date

8/16/2026 11:59 PM Pacific

• Description
• Benefits
• Questions

CAREER DESCRIPTION

ENTERPRISE NETWORK INFRASTRUCTURE MANAGER

(Technology Services Manager, Senior)

Salary may be negotiable within the range listed above, based on position requirements and successful candidates qualifications, subject to

appropriate authorization.

OPEN TO THE PUBLIC

This recruitment will establish an open eligible list that will be used to fill current and future Technology Services Manager, Senior positions. The eligible list established may also be used to fill positions in similar and/or lower classifications throughout the County of Orange.

DEADLINE TO APPLY

This recruitment will be open for a minimum of five (5) business days and will close on Sunday, August 16, 2026 at 11:59 P.M. (PST).

ORANGE COUNTY INFORMATION TECHNOLOGY

The mission of Orange County Information Technology (OCIT) is to provide innovative, reliable, and secure technology solutions that support County departments in the delivery of quality public services. OCIT provides IT solutions across County departments for voice communications, network services, application support, service desk, desktop support, as well as data center services.

Click here for more information on OCIT.

Click here for more information on the County of Orange.

THE OPPORTUNITY

The Orange County Information Technology (OCIT)- Strategy, Innovation, & Architecture division is seeking an experienced and strategic individual who will oversee and assist a team of Network and Voice Services Delivery Managers in the development of network and system designs, adopting network requirements, coordinating network planning, and maintaining a stable networking environment. The Enterprise Network Infrastructure Manager will be responsible for the design, configuration, implementation, and ongoing support of the Countys Managed Network Services. This position requires strong technical expertise, analytical and planning skills, and the ability to lead large-scale technical initiatives while collaborating with internal stakeholders and external partners.

Responsibilities and duties for this position include, but are not limited to, the following:

• Providing technical oversight to contracted vendors on network operations and implementations
• Leading network and reliability improvements to maintain the transport of data, voice, and video
• Designing reliable and cost-effective network services including email transport, domain name services, directory services, and digital certificate services
• Managing financial, vendor, and organizational resources including budgets, expenditures, and contracts to achieve County business objectives
• Planning the connection of new sites to the Countys data network
• Specifying required equipment for installation activities
• Utilizing project organization management including scheduling, milestones, deliverables to achieve successful outcomes
• Traveling throughout Orange County and attending staff meetings as needed, along with performing related duties as assigned

DESIRABLE QUALIFICATIONS AND CORE COMPETENCIES

In addition to the minimum qualifications, the ideal candidate will possess at least four (4) years of work experience in managing a complex, large-scale IT environment, including the following: Network Architecture, Cable and Circuit Management, Voice and VoIP, and Cloud Architecture and Solution Management.

The ideal candidate will have experience in the following competencies:

Technical Knowledge | Technical Expertise

• Understanding of Cisco SD-WAN, Meraki, and ACI solutions
• Proficiency with Cisco ASR/ISR/Catalyst routers and Cisco Catalyst/Nexus switches
• Applying advanced networking and VolP/Webex expertise, including SIP (Session Initiation Protocol), RTP/RTCP, H.323, TCP/IP, VLANs, QoS prioritization, and routing protocols (OSPF, BGP) to ensure call signaling, media transport, and overall service quality
• Leading IT projects and operational initiatives, including prioritizing competing demands, resource planning, forecasting fiscal expenditures, and ongoing vendor and contract management
• Implementing enterprise security best practices to ensure secure connections to non-County networks and secure remote access
• Staying current with emerging and evolving technologies, evaluating their applicability to County operations

Leadership Skills

• Serving as a department liaison for network security matters, requests, and issues
• Working collaboratively and establishing rapport with staff, managers, and people across County departments
• Leveraging and maintaining a robust team of internal staff and contractor staff to achieve operational goals
• Building and maintaining positive forward focused customer-oriented work environments

Oral | Written Communication Skills

• Communicating, coordinating, and collaborating with County agencies to ensure effective service delivery
• Clearly conveying information technology concepts and terminology with both technical and non-technical staff at all levels within and outside the agency
• Preparing and maintaining technical documentation of department processes and procedures

MINIMUM QUALIFICATIONS

Please click here for details on this classification, including the physical, mental, environmental and working conditions.

NOTE: Foreign degrees require an evaluation of U.S. equivalency by an agency that is a member of the National Association of Credential Evaluation Services (N.A.C.E.S.).

Application Screening (Refer/Non-Refer)

Applications and supplemental responses will be screened for qualifications that are highly desirable and most needed to successfully perform the duties of this job. Only those applicants that meet the qualifications as listed in the job bulletin will be referred to the next step.

Structured Oral Interview | SOI (Weighted 100%)

The Structured Oral Interview is a timed assessment. Applicants will provide answers to job-related questions, which will be rated by a panel of subject matter experts using standardized evaluation criteria. Only the most qualified candidates will move advance to the next step in the recruitment process or will be placed on the eligible list.

Eligible List

Once the assessment has been completed, HRS will establish an eligible list of candidates. Candidates placed on the eligible list may be referred to a selection interview to be considered for present and future vacancies.

Based on the Countys needs, the selection procedure listed above may be modified. All candidates will be notified of any changes in the selection procedure.

Veterans Employment Preference

The County is committed to providing a mechanism to give preferential consideration in the employment process to veterans and their eligible spouses and will provide eligible participants the opportunity to receive interviews in the selection process for employment and paid internship openings. Please click here to review the policy.

ADDITIONAL INFORMATION

REASONABLE ACCOMMODATION

The County of Orange is committed to providing reasonable accommodations to qualified individuals with disabilities. Individuals who require a reasonable accommodation during the application or selection process should notify the recruiter listed on the job posting as soon as possible. Documentation supporting the accommodation request may be required.

EMAIL NOTIFICATION

Email is the primary form of notification during the recruitment process. Please ensure your correct email address is included in our application and use only one email account.

NOTE: User accounts are established for one person only and should not be shared with another person. Multiple applications with multiple users may jeopardize your status in the recruitment process for any positions for which you apply. Candidates will be notified regarding their status as the recruitment proceeds via email through the GovernmentJobs.com site. Please check your email folders, including spam/junk folders, and/or accept emails ending with "governmentjobs.com" and "ocgov.com." If your email address should change, please update your profile at www.governmentjobs.com.

FREQUENTLY ASKED QUESTIONS

Click here for additional Frequently Asked Questions. For specific information pertaining to this recruitment, contact Michelle Kozai at michelle.kozai@ceo.oc.gov or (714)-834-7338.

EEO INFORMATION

Orange County, as an equal employment opportunity employer,

encourages applicants from diverse backgrounds to apply.

Please note that Extra Help employees are not eligible for the benefits listed.

Please go to the following link to find out more about Defined Benefit Pensions and OCERS Plan Types/Benefits.

http://www.ocers.org/active-member-information

01

INSTRUCTIONS: The information you provide on this questionnaire will be evaluated and used to determine your level of expertise during the recruitment process. Be as specific as possible and include all information requested. If you do not have experience in an area, please answer "N/A". Statements such as "see application" or "see resume", will not be accepted in lieu of a response. All employers referenced on this questionnaire must be listed on your application. Do you understand these instructions?

• Yes

02

Please select the option that is most applicable to your experience as defined in the Technology Services Manager, Senior minimum qualifications.

• One (1) year of experience as a Technology Services Manager or its equivalent with the County of Orange
• Two (2) years of experience as a Technology Services Administrator or its equivalent with the County of Orange
• Five (5) years of professional information technology programs and project operations experience related to assignment; must include two (2) years of lead/supervisory experience
• Four (4) years of professional information technology programs and project operations experience related to assignment; must include two (2) years of lead/supervisory experience AND possess a Bachelors degree in computer science, information technology, or related field
• Three (3) years of professional information technology programs and project operations experience related to assignment; must include two (2) years of lead/supervisory experience AND possess a Masters degree in computer science, information technology, or related field

03

Based on your response to question #2, if you are substituting relevant education for the required experience as defined in the Technology Services Manager, Senior minimum qualifications, you are acknowledging that you attached a copy of your unofficial transcripts to your application. Foreign degrees require an evaluation of U.S. equivalency by an agency that is a member of the National Association of Credential Services (N.A.C.E.S).

• Yes, I have attached a copy of my unofficial transcripts as I will substituting experience with relevant education and, if applicable, I have attached the N.A.C.E.S. equivalency evaluation for my degree
• Not applicable; I will not be substituting relevant education with experience

04

Please select from the following options which best describes your experience.

• Four (4) or more years of work experience in managing a complex, large-scale IT environment including the following: Network Architecture, Cable and Circuit Management, Voice and VolP, and Cloud Architecture and Solution Management
• Less than four (4) years of work experience in managing a complex, large-scale IT environment including the following: Network Architecture, Cable and Circuit Management, Voice and VolP, and Cloud Architecture and Solution Management
• No experience

05

Based on your answer to question #4, please elaborate on your work experience in managing a complex, large-scale IT environment. Please include examples of projects or initiatives you supported, the technologies utilized, your level of responsibility, and any measurable outcomes that resulted.

06

Please describe your lead/supervisory experience with both internal and contracted staff related to this assignment. Please include in your response, your years of experience, the scope of your responsibilities, and the organization you obtained this experience from. If none, please type "N/A".

Required Question

Employer County of Orange

Address 400 W CIVIC CENTER DRIVE

Santa Ana, California, 92701

Phone 714-834-2555

Website https://hrs.oc.gov