Principal Network Engineer
Job Summary
Job Description
The Principal Network Engineer will lead the enterprise networking team, designing, implementing, and securing large-scale network infrastructure. Responsibilities include leading network transformation projects, analyzing and resolving major network incidents, collaborating with InfoSec and IT teams, mentoring engineers, managing vendor relationships, and implementing monitoring tools. This role requires deep technical knowledge, leadership skills, and a passion for innovation in networking.
Must have:
- Deep understanding of BGP, OSPF, EIGRP, RIP, STP, HSRP/VRRP
- Strong IPv4/IPv6 skills, route redistribution, MPLS, QoS
- Experience with Cisco ASA, Firepower, Palo Alto, Fortinet
- Skilled in Python, Ansible, and Terraform for network automation
- Tools: Wireshark, NetFlow, SolarWinds, PRTG, Zabbix, Splunk
- Bachelor’s/Master’s degree in a relevant field
- 10+ years in networking roles, with 3+ years in a leadership capacity
13 skills required
Job Details
Business Unit:
Cubic CorporationCompany Details:
When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people’s lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global issues through innovation and service to our customers and partners.We have a top-tier portfolio of businesses, including Cubic Transportation Systems (CTS) and Cubic Defense (CD). Explore more on Cubic.com.
Job Details:
Job Summary: We are looking for an experienced and strategic Principal Network Engineer to lead our enterprise networking team. You will be the go-to expert for designing, implementing, and securing large-scale network infrastructure. If you have deep technical knowledge, leadership skills, and a passion for innovation in networking, this role is for you.
Essential Job Duties and Responsibilities:
- Design and implement highly available, secure, and scalable network architectures across LAN/WAN, data center, and cloud.
- Lead end-to-end execution of network transformation projects, including SD-WAN, cloud integration, and data center migrations.
- Drive root cause analysis and resolution for major network incidents (P1/P2) and performance issues.
- Collaborate with InfoSec and IT teams to implement network security policies and Zero Trust models.
- Mentor and guide senior/junior network engineers; promote best practices and technical excellence.
- Manage vendor relationships, hardware/software procurement, and budget forecasts.
- Implement monitoring tools and provide executive-level reporting on network health and risks.
Technical Expertise Expected:
Core Networking
- Deep understanding of BGP, OSPF, EIGRP, RIP, STP, HSRP/VRRP
- Strong IPv4/IPv6 skills, route redistribution, MPLS, QoS
- Experience with enterprise-grade switches and routers (Cisco, Juniper, Arista)
Network Security
- Hands-on with Cisco ASA, Firepower, Palo Alto, Fortinet
- Implementation of IPSec/SSL VPNs, ACLs, NAC (Cisco ISE/Aruba ClearPass)
- Familiarity with Zero Trust, segmentation, and certificate-based access (PKI)
Cloud & Hybrid Networking
- Experience with AWS, Azure, or GCP networking (VPCs, ExpressRoute, Transit Gateway)
- Site-to-site VPN, cloud firewalls, load balancers, and private link setups
Automation & Scripting
- Skilled in Python, Ansible, and Terraform for network automation and orchestration
- Familiarity with REST APIs, NETCONF, and Cisco NSO
Monitoring & Troubleshooting
- Tools: Wireshark, NetFlow, SolarWinds, PRTG, Zabbix, Splunk
- Expertise in RCA, performance tuning, SNMP/syslog management
Architecture & Standards
- Experience with Cisco Validated Designs (CVDs), ITIL, and TOGAF frameworks
- Compliance awareness (PCI-DSS, ISO 27001, HIPAA)
- Proficient in documentation tools (Visio, Lucidchart)
Qualifications:
- Bachelor’s/Master’s degree in Computer Science, IT, or a relevant field.
- 10+ years in networking roles, with 3+ years in a leadership or principal capacity.
- CCNP/CCIE, PCNSE, or equivalent certifications highly preferred.
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About The Company
Cubic creates and delivers technology solutions in transportation that make people’s lives easier by simplifying their daily journeys, and defense capabilities that help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global challenges through innovation and service to our customers and partners.We have a top-tier portfolio of businesses, including Cubic Transportation Systems (CTS) and Cubic Defense (CD).CTS is an industry-leading integrator of payment and information solutions and related services for intelligent travel applications.CTS delivers integrated systems for transportation and traffic management, delivering tools for travelers to choose the smartest and easiest way to travel and pay for their journeys, and enabling transportation authorities and agencies to manage demand across the entire transportation network. Cubic Defense provides networked Command, Control, Communications, Computers, Cyber, Intelligence, Surveillance and Reconnaissance (C5ISR) solutions, and live, virtual, constructive and game-based training solutions for both U.S. and Allied Forces. These mission-inspired capabilities enable assured multi-domain access; converged digital intelligence; and superior readiness for defense, intelligence, security and commercial missions.
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