Senior Network Engineer

Yoh, A Day & Zimmermann Company; California; Hybrid; USD 92,000 - 131,000; Full time

Benefits offered by this job

Medical, Prescription, Dental & Vision

Health Savings Account (HSA)

Life & Disability Insurance

401K Retirement Savings Plan

Employee Assistance Program

Job summary

Yoh, a Day & Zimmermann company, is seeking a Senior Network Engineer to design, deploy, and secure enterprise network infrastructure across data centers, remote offices, and public cloud environments.

The role emphasizes routing, switching, firewall management, hybrid cloud connectivity, and network automation, with an on‑site requirement in the San Francisco Bay Area and a contract work arrangement.

Qualifications

• Six+ years of experience with complex network systems in production.
• Routing, switching, and security architecture expertise.
• Experience with NX-OS, JunOS, or Arista EOS ecosystems.
• Experience with PAN-OS or FortiOS for security ingress/egress.
• Automation using Terraform, Ansible or Python in infra-as-code.
• Strong firewall, VPN, and secure remote access knowledge.
• Hybrid connectivity between on‑prem and cloud environments.
• Excellent communication and structured troubleshooting skills.
• Bachelor’s degree or 6+ years plus CCNP/JNCIS/VCP‑NV equivalent.

Responsibilities

• Design, architect, deploy, and maintain routing, switching, WLAN, and firewall infra.
• Support public cloud networking in AWS and Azure, with ExpressRoute/Transit Gateway.
• Deploy WAN/VPN connectivity for secure enterprise access.
• Develop network automation to streamline provisioning, monitoring, and config mgmt.
• Collaborate with cloud, security, and infra teams on standardized architectures.
• Implement scalable, automated network operations and remediation.
• Participate in Agile delivery cycles and manage network projects.
• Perform capacity planning and advise on growth and resiliency.

Skills

Network routing

Network switching

Security architecture

Network automation

Python scripting

Education

Bachelor’s degree or equivalent

CCNP / JNCIS / VCP-NV or equivalent

Tools

Terraform

Ansible

Python

Job description

Senior Network Engineer – Cloud & Infrastructure Overview

Yoh is seeking a Senior Network Engineer to support a mission‑critical enterprise and development infrastructure environment. This role will design, deploy, maintain, and secure network systems across data centers, on‑premises locations, remote offices, and public cloud environments.

The ideal candidate will have strong experience with routing, switching, firewalls, hybrid cloud connectivity, network automation, and enterprise security infrastructure.

Location: San Mateo or surrounding San Francisco Bay Area
Job Type: Contract
Work Arrangement: Hybrid/onsite, as required
Estimated Compensation: $80–$95/hour, depending on experience

Responsibilities Network Engineering

• Design, architect, deploy, and maintain routing, switching, WLAN, and firewall infrastructure across data centers, corporate offices, remote sites, and cloud environments.
• Support public cloud networking in AWS and Azure, including secure connectivity solutions such as ExpressRoute, Transit Gateway, Cloud WAN, and Azure Virtual WAN.
• Deploy and manage WAN and VPN connectivity to ensure secure and reliable access for enterprise and mission‑critical environments.
• Develop and apply network automation to streamline provisioning, monitoring, configuration management, and operational processes.
• Partner with cloud, platform, security, and infrastructure teams to develop standardized network architectures.
• Recommend and implement scalable, automated approaches to network operations and vulnerability remediation.
• Participate in Agile delivery cycles while managing assigned network projects and deliverables.
• Conduct network capacity planning and provide recommendations for growth, resiliency, and optimization.

Operations and Support

• Plan and execute network and firewall changes in accordance with change‑management and security‑governance procedures.
• Monitor, analyze, and improve network performance, availability, resiliency, and security.
• Provide advanced troubleshooting for network hardware, software, connectivity, and application‑related issues.
• Configure and maintain secure connectivity services, including VPN, ZTNA, HTTPS, and SFTP.
• Create and maintain accurate operational, configuration, and network documentation.
• Mentor operational teams on network processes, procedures, and troubleshooting practices.
• Engage vendors and strategic partners for escalated troubleshooting, lifecycle planning, and technology evaluations.
• Participate in an on‑call rotation and scheduled maintenance activities.

Maintenance and Security

• Lead or support network upgrades, patching, and maintenance activities within defined maintenance windows.
• Maintain network device software, hardware, and license compliance.
• Identify and remediate network security vulnerabilities in coordination with IT security teams.
• Support network segmentation, access control, firewall policy enforcement, and secure connectivity initiatives.

Required Qualifications

• Six or more years of experience supporting and administering complex network systems in production environments.
• Strong expertise in network routing, switching, and security architecture.
• Experience with at least one network operating system, such as NX-OS, JunOS, or Arista EOS.
• Experience with at least one network security operating system, such as PAN-OS or FortiOS.
• Experience with network automation and infrastructure‑as‑code practices using tools such as Terraform, Ansible, or Python.
• Strong understanding of firewall management, network segmentation, VPN technologies, and secure remote access.
• Experience building and managing scalable hybrid infrastructure connectivity between on‑premises systems and cloud networks.
• Excellent analytical, organizational, communication, and troubleshooting skills.
• Ability to communicate effectively with both technical and non‑technical stakeholders.
• Proven ability to work independently and deliver results in a structured, process‑driven environment.
• Bachelor’s degree in a technical discipline, or six or more years of relevant experience combined with a professional certification such as CCNP, JNCIS, VCP‑NV, or equivalent.

Preferred Qualifications

• Experience with Juniper and Palo Alto networking solutions.
• Familiarity with centralized firewall‑management platforms, including Panorama.
• Experience with WLAN technologies and wireless authentication, including 802.1X and RADIUS.
• Experience with network‑access control solutions and network‑access policy enforcement.
• Experience with ZTNA or SASE solutions, such as Prisma Access, Zscaler, or Cato.
• Working knowledge of virtualization or operating‑system administration, including VMware, Windows, or Linux.
• Demonstrated project‑management and technical leadership experience.
• Ability to coach peers and present technical information to non‑technical stakeholders.
• Collaborative, solution‑oriented approach in a fast‑paced, change‑controlled environment.

Additional Requirements

• Must be able to work in the San Francisco Bay Area and report onsite as required.
• Must be comfortable participating in scheduled maintenance activities and an on‑call rotation.
• Must comply with all applicable workplace, security, confidentiality, and access requirements.
• Employment is contingent upon successful completion of a background check conducted after a conditional offer, in accordance with applicable federal, state, and local law.

Estimated Min Rate: $66.50

Estimated Max Rate: $95.00

What’s In It for You?

• Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
• Health Savings Account (HSA) (for employees working 20+ hours per week)
• Life & Disability Insurance (for employees working 20+ hours per week)
• MetLife Voluntary Benefits
• Employee Assistance Program (EAP)
• 401K Retirement Savings Plan
• Direct Deposit & weekly epayroll
• Referral Bonus Programs
• Certification and training opportunities

Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice: https://www.yoh.com/privacy-notice

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