Principal Network Engineer
Liberty Dental PlanAbout the role
Job Details
Job Location LIBERTY Dental Plan Corp. - Tustin, CARemote Type Fully RemotePosition Type Full TimeSalary Range $165000.00 - $190000.00 Salary/yearJob Shift DayLead. Secure. Empower. Join Liberty Dental Plan as a Principal Network Engineer!
At Liberty Dental Plan, we’re more than a company — we’re a mission-driven organization that thrives on innovation, integrity, and impact. We’re searching for a Principal Network Engineer who envisions and builds the next generation of secure, resilient network infrastructure.
If you’re a seasoned network security expert who thrives in fast-paced environments and is ready to lead from the front — this role is built for you.
Job Summary
As our Principal Network Engineer, you’ll be the backbone of our secure network architecture. You’ll take charge of designing, implementing, and managing advanced network security hardware and software systems. From proactively identifying vulnerabilities to leading incident response efforts, your expertise will directly protect LDP's digital infrastructure and sensitive data.
You’ll collaborate cross-functionally, influence security policy, and help shape a robust, forward-thinking IT environment.
Key Responsibilities:
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Design, configure, and secure complex network systems (Cisco firewalls, routers, switches, VPNs).
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Lead the implementation of firewall solutions and perimeter defense strategies.
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Perform vulnerability assessments, security audits, and risk analyses.
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Optimize network performance while maintaining airtight security compliance (HIPAA, HITRUST, etc.).
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Respond to incidents and implement robust disaster recovery and business continuity plans.
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Stay ahead of evolving threats, recommending and implementing best-in-class solutions.
Qualifications
Education & Experience:
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Bachelor's Degree in IT or related field required, or the equivalent combination of education and experience
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10+ years in Network Security Administration/Engineering
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5+ years of hands-on experience with Cisco firewalls, routers, and switches
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Cisco Certified Network Professional (CCNP, CCIE) or equivalent expertise
Technical Proficiencies:
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Expert in TCP/IP, VLANs, routing protocols (EIGRP), DNS/DHCP, and SNMP
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Advanced skills in firewall configuration, VPNs, VOIP, IDS/IPS, and remote access
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Proficient with Cisco Catalyst 9300 series switches and network design tools
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Experience using tools like Wireshark for traffic analysis
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Familiarity with regulatory frameworks (HIPAA, HITRUST)
Soft Skills:
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Clear and confident communicator
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Customer-focused and solution-oriented
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Natural problem-solver with a proactive mindset
Why Join Us?
At Liberty, you’ll do more than just maintain networks — you’ll be empowered to innovate in a culture that values forward thinking and technical excellence.
- Impactful Work: Protect critical infrastructure and data
- Growth Opportunities: Continuous learning and upskilling encouraged
- Collaborative Culture: Work with mission-driven, high-performing teams
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