jobs.pl/Job offers/IT - Administration/Network Security Engineer
Source: CrawlJobs
On-site work

Publication date: 31/08/2026

We are seeking a seasoned Senior Network Security Engineer to join our dynamic security team. The ideal candidate will possess deep expertise in network security technologies, focusing on switching and routing systems within cloud-native and AI-focused infrastructure. You will thrive in a fast-paced, challenging environment, demonstrating adaptability, excellent multitasking skills, and the drive to tackle complex security issues independently while ensuring robust protection for our innovative technologies.

Responsibilities

Serve as a subject matter expert in network security, particularly firewalls, VPNs, IDS/IPS, routing protocols (e.g., BGP, OSPF), and switching technologies; Manage and update firewall configurations across our enterprise network to align with operational and security needs; Deploy new firewalls, switches, routers, and network security devices in response to evolving threats and demands; Develop and propose innovative network security solutions to address operational challenges in routing and switching environments; Enhance security processes through thorough documentation and change management; Act as the primary resolver for complex network security issues, including escalation support; Ensure network security systems, switches, and routers are up-to-date with patches, firmware, and maintenance; Monitor and respond to security events in cloud environments (e.g., AWS, GCP, Azure, Datacenter), with emphasis on network traffic analysis.

Requirements

Bachelor's degree in Computer Science, Cybersecurity, Information Systems, or a related field; 4+ years of experience in network security engineering, with hands-on focus on switching and routing; Certifications like CISA, CRISC, CGEIT, Security+, CASP+, or similar preferred; Strong understanding of network security principles, protocols (e.g., TCP/IP, VLANs, ACLs), and best practices for secure routing and switching; Proficiency in at least one major cloud platform (AWS, GCP, or Azure) and its network security services (e.g., VPCs, Security Groups); Experience with network analysis tools such as Wireshark, tcpdump; and vendors including Cisco, Juniper, Palo Alto Networks; Familiarity with scripting languages (e.g., Python, Bash) for automation of network security tasks; To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

Nice to have

Relevant network-specific certifications (e.g., CCNP Security, CCIE Security, JNCIP-SEC, PCNSE); Experience in multi-cloud environments and Infrastructure as Code tools like Terraform for network provisioning; Knowledge of DevSecOps practices tailored to network security integration; Experience building custom tools or integrations for enhancing network security operations; Interest in leveraging AI for network threat detection and automation; Contributions to open-source projects in network security or related tools.

Benefits

Equity; comprehensive medical, vision, and dental coverage; access to a 401(k) retirement plan; short & long-term disability insurance; life insurance; various other discounts and perks
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