Senior Network Engineer (Hybrid, Fountain Valley, CA)

We understand that the world we want tomorrow starts with how we do business today, and that’s why we’re inspired to make A Better World for Pets. Antech is comprised of a diverse team of individuals who are committed to each other’s growth and development. Our culture is centered on our guiding philosophy, The Five Principles: Quality, Responsibility, Mutuality, Efficiency and Freedom. Today Antech is driving the future of pet health as part of Mars Science & Diagnostics, a family-owned company focused on veterinary care.

Current Associates will need to apply through the internal career site. Please log into Workday and click on Menu or View All Apps, select the Jobs Hub app, then click the magnifying glass to Browse Jobs.

This is a Hybrid role based out of our office in Fountain Valley, California. The Target Pay Range for this position is $125,000 - $140,000 annually. At Antech, pay decisions are determined using factors such as relevant job-related skills, experience, education, training and budget.

Job Summary:

We are seeking an experienced Senior Network Engineer to design, support, and optimize complex network infrastructures. The ideal candidate will possess deep expertise in Cisco networking platforms, Palo Alto firewalls, WAN circuit management, and network security best practices. In this role, you will be instrumental in maintaining secure, high-performance connectivity across the enterprise, supporting remote locations, and ensuring the availability and resilience of critical systems.   

Key Responsibilities:

• Implement and maintain the company’s Cisco infrastructure, including Catalyst and Nexus switches, ISR and ASR routers, ASA firewalls, and Wireless Controllers with Access Points.
• Deploy, configure, and maintain enterprise-grade firewall solutions, including Palo Alto Networks (PAN-OS), and Cisco ASA/Firepower systems.
• Design and implement secure cloud network architectures using AWS VPCs, Transit Gateways, Direct Connect, Azure Virtual Networks, ExpressRoute, and VPN Gateway services.
• Build and manage IPsec tunnels, GRE tunnels, SSL VPNs, and cloud-native VPN solutions.
• Implement security policies, NAT rules, threat prevention profiles and URL filtering on NGFW platforms.
• Monitor and analyze firewall logs, network flows, and cloud-native telemetry (e.g., VPC Flow Logs, Azure NSG Flow Logs) for threat detection and network optimization.
• Perform vulnerability assessments, firewall rule audits, and cloud posture assessments.
• Troubleshoot network performance issues, perimeter security threats, and failures across all network appliances.
• Develop, enforce, and maintain network policies, procedures, and security standards in alignment with industry best practices.
• Document network architecture, configurations, and operational processes to support scalability and continuity.
• Collaborate with internal and external teams to ensure networking solutions aligned with security and business objectives.
• Provide Tier 3 escalation support for complex firewalls, VPN, and cloud network-related incidents.
• Participate in change management activities, including maintenance windows, disaster recovery exercises, and security incident response.

Qualifications & Experience:

• 5+ years of experience in enterprise firewall management and cloud networking.
• Expert knowledge of Palo Alto and Cisco ASA/Firepower firewall platforms.
• Deep understanding of AWS, Azure, and/or GCP networking services and security best practices.
• Strong proficiency with network security concepts: IDS/IPS, threat prevention, VPNs, Zero Trust, and micro segmentation.
• Familiarity with SIEM integration and cloud security monitoring tools.
• Certifications strongly preferred: PCNSE (Palo Alto Networks), AWS Certified Advanced Networking – Specialty, CCNP, Azure Network Engineer Associate.

Physical Demands:

• Extensive sitting, phone, and computer use
• Extend and reach with hands and arms and use hands and fingers
• Occasionally required to bend, kneel, stoop, or crouch
• May be required to lift, move, and carry up to 15 lbs.
• Specific vision abilities required including close vision, color vision, depth perception, and the ability to adjust focus.
• Hearing ability to effectively communicate via the telephone and in person
• Ability to communicate verbally on the telephone and in person
• Fluency in the English language
• Extended hours may be needed

Work Environment:

The employee will primarily work in a typical office environment including use of cubicles, computers and overhead lighting. Temperature extremes will be minimal to nonexistent. 

The noise level in the work environment is usually moderate.  The employee will be required to use a computer, spreadsheets, database management, email, and the Internet.  The employee is frequently required to use a calculator; fax, copy machine, and phone system. 

About Antech

Antech is a leader in veterinary diagnostics, driven by our passion for innovation that delivers better animal health outcomes. Our products and services span 90+ reference laboratories around the globe; in-house diagnostic laboratory instruments and consumables, including rapid assay diagnostic products and digital cytology services; local and cloud-based data services; practice information management software and related software and support; veterinary imaging and technology; veterinary professional education and training; and board-certified specialist support services.

Antech offers an industry competitive benefits package and continues to invest in and evolve benefits programs that meet the health, wellness and financial needs of our associates.

• All Full-time associates are eligible for the following benefits and more:

• Paid Time Off & Holidays

• Medical, Dental, Vision (Multiple Plans Available)

• Basic Life (Company Paid) & Supplemental Life

• Short and Long Term Disability (Company Paid)

• Flexible Spending Accounts/Health Savings Accounts

• Paid Parental Leave

• 401(k) with company match

• Tuition/Continuing Education Reimbursement

• Life Assistance Program

• Pet Care Discounts

We are proud to be an Equal Opportunity Employer - Veterans / Disabled. For a complete EEO statement, please see our Career page at Antech Careers.

Note to Search Firms/Agencies

Antech Diagnostics, Inc. and its subsidiaries and affiliates (Antech) do not compensate search firms for unsolicited assistance unless they have a written search agreement with Antech and the requisition is position-specific. Any resumes, curriculum vitae, and other unsolicited assistance from search firms that do not have a written search agreement or position-specific requisition submitted to any Associate of Antech will be deemed the sole property of Antech and no fee will be paid in the event the candidate is hired by Antech.