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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** O'Reilly Automotive, Inc. - **Location:** Springfield, MO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Cloud Computing Security, Cyber Security, Computer Networks, Data Centers, Data Loss, Domain Name System (DNS), Network Security, Routing, Network Segmentation, Packet Analyzer, Network Protocols, Zero Trust Network Access, Security Information and Event Management, Systems Integration, TCP/IP, Cloud Platform System, Firewalls (Computer Science), Information Technology - **Published:** June 2, 2026 - **Apply:** https://www.dice.com/job-detail/c46b1324-44df-46e5-a52b-f8112c5556fe ## About the Role * Bachelor's Degree in Computer Science or Computer Information Systems or equivalent work experience * 4+ years' experience in Information Technology * Demonstrated leadership and interpersonal skills * Strong background in network engineering, network protocols, packet analysis, and traffic inspection. * Strong written and oral communication skills * Ability to manage multiple tasks Preferred: * Deep understanding of TCP/IP, routing, switching, DNS, TLS, HTTP/HTTPS, and network segmentation. * Familiarity with Zero Trust principles, secure access service edge (SASE), and cloud security concepts. * Experience integrating network telemetry with SIEM/SOAR tools. * Designs, executes and reports on systems/service tests to ensure that an application functions as specified in the requirements. * Archives, backs up, and restores data and servers to specified states. * Determines and analyzes trends from data that is collected to assist in compiling reports that will help in decision-making. * Shifts into and out of a mental mindset associated with assessing the facts and circumstances of the current situation and/or environment, and making the appropriate/innovative adjustments to thinking and work habits to thrive in any scenario. Education: Bachelor's Degree or Equivalent Level Experience: Experienced practitioner able to deal with the majority of situations and to advise others (3 to 6 years) Managerial Experience: Experience with general supervision of more junior colleagues (7 to 12 months) O'Reilly Auto Parts has a proven track record of growth and stability. O'Reilly is full of successful career stories and believes in a strong promote-from-within philosophy, encouraging you to grow your career along with the organization. ## Description The Network Security Engineer is responsible for safeguarding enterprise network infrastructure by designing, deploying, and operating security solutions that monitor, inspect, and protect network traffic at scale. This role ensures secure connectivity across corporate, retail, data center, and cloud environments. The engineer leverages advanced network visibility platforms, cloud-secured access technologies, and packet brokers to detect threats, prevent data loss, and maintain a resilient security posture., * Design, implement, and operate network security controls including Zscaler ZIA/ZPA, Next-Gen Firewalls, packet brokers, and network sensors. * Optimize traffic flows, inspection policies, and routing to support business performance and security objectives. * Ensure accurate telemetry and metadata feeds to SIEM/SOAR, MDR partners, and internal detection engineering teams. * Develop automation and monitoring to improve reliability and reduce manual effort. * Contribute to documentation, runbooks, playbooks, and architecture diagrams. * Partner with Network Engineering, Infrastructure, Security Operations, and Application teams to deliver secure network solutions. * Analyze network traffic patterns to identify anomalies, threats, policy violations, and performance issues. * Administer and enhance Zscaler (ZIA/ZPA) configurations including policies, authentication methods, branch/store routing, and user experience optimization. * Support Zero Trust Network Access (ZTNA) and secure application connectivity. * Investigate and resolve network security incidents, including traffic anomalies, malicious communications, and access control issues. * Provide packet-level analysis using tools like Zeek logs, PCAPs, and packet broker introspection. * Assist in policy creation, security standards, and configuration baselines for enterprise network security. * Produce KPIs, visibility dashboards, and reporting on network security posture, coverage, and gaps. ## Related Videos - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [How to Avoid LLM Pitfalls - Mete Atamel and Guillaume Laforge](https://www.wearedevelopers.com/videos/1328-how-to-avoid-llm-pitfalls-mete-atamel-and-guillaume-laforge) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology)