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Network Security Engineer
ISTARINetwork Security Engineer focusing on architecture and engineering for network security with Zero Trust principles. Involves Zscaler environments, firewall management, and collaboration with architects and SOC teams.
Tech Stack
Tools & technologiesCloudFirewalls
About the role
Key responsibilities & impact- Delivers Network Security architecture and engineering support for Zscaler ZIA/ZPA, firewall policy management, and segmentation across on-prem, remote, and cloud environments.
- Administer Zscaler ZIA and ZPA environments, including policy configuration, rule tuning, and SSL inspection.
- Manage firewall and proxy rules across enterprise infrastructure, ensuring alignment with Zero Trust segmentation principles.
- Investigate anomalous network traffic and support SOC incident response by analysing packet flows, proxy logs, and threat intelligence.
- Collaborate with architects and SOC teams to integrate Zscaler telemetry into Microsoft Sentinel.
- Design secure connectivity patterns for on-prem, remote, and cloud users with policy-based routing and segmentation.
- Provide escalation support for complex network security incidents.
Requirements
What you’ll need- Bachelor’s degree in science or engineering
- 8-10 years of experience in Network Design & Architecture with in-depth knowledge of Strong experience with firewalls, VPNs, VLANs, DMZs, SD-WAN, SASE, and remote access technologies.
- Expertise in designing secure network topologies, network segmentation (micro and macro), Zero Trust models, and data center architecture.
- Strong knowledge of IT/OT Network Segmentation, Zero Trust, and industry standards for network security architecture and governance.
- Security certifications (e.g., CISSP, Cisco Network Security certifications like CCNP, CCIE)
- Excellent architect skills with effective communication with ability to create client deliverables.
- Strong analytical skills to identify risks, develop design blueprints, and solve complex network security challenges.
Benefits
Comp & perks- 🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account ISTARI Website LinkedIn All Job Openings 51 - 200 employees Founded 2020 🔒 Cybersecurity 📚 Education 🤝 B2B Cybersecurity
- Education
- B2B ISTARI is a cyber resilience advisory, education, and innovation firm that helps critical organizations identify, manage, and recover from digital risk. It offers hands-on advisory services (including cloud, OT, supply chain, M&A cybersecurity, cyber crisis preparedness, and board governance programs), executive education through the ISTARI Academy in partnership with Cambridge Judge Business School, and curates/invests in a portfolio of cutting-edge cybersecurity companies. Part of Temasek, ISTARI works with enterprise clients globally to build durable, risk-based cyber resilience. Network Security Engineer Job not on LinkedIn 🔥 40 minutes ago 🇺🇸 United States – Remote ⏳ Contract/Temporary 🟠 Senior 🔴 Lead 👮♂️ Cybersecurity / Security Engineer Cloud Firewalls Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
- Delivers Network Security architecture and engineering support for Zscaler ZIA/ZPA, firewall policy management, and segmentation across on-prem, remote, and cloud environments.
- Administer Zscaler ZIA and ZPA environments, including policy configuration, rule tuning, and SSL inspection.
- Manage firewall and proxy rules across enterprise infrastructure, ensuring alignment with Zero Trust segmentation principles.
- Investigate anomalous network traffic and support SOC incident response by analysing packet flows, proxy logs, and threat intelligence.
- Collaborate with architects and SOC teams to integrate Zscaler telemetry into Microsoft Sentinel.
- Design secure connectivity patterns for on-prem, remote, and cloud users with policy-based routing and segmentation.
- Provide escalation support for complex network security incidents. 🎯 Requirements
- Bachelor’s degree in science or engineering
- 8-10 years of experience in Network Design & Architecture with in-depth knowledge of Strong experience with firewalls, VPNs, VLANs, DMZs, SD-WAN, SASE, and remote access technologies.
- Expertise in designing secure network topologies, network segmentation (micro and macro), Zero Trust models, and data center architecture.
- Strong knowledge of IT/OT Network Segmentation, Zero Trust, and industry standards for network security architecture and governance.
- Security certifications (e.g., CISSP, Cisco Network Security certifications like CCNP, CCIE)
- Excellent architect skills with effective communication with ability to create client deliverables.
- Strong analytical skills to identify risks, develop design blueprints, and solve complex network security challenges. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Business Analyst Level 3, Security Coordinator 🕒 Yesterday Ellit Groups 51 - 200 Website LinkedIn All Job Openings Business Analyst Level 3 - Security Coordinator for healthcare IT consulting firm. Responsible for overseeing security administration and user provisioning in a remote position. 🇺🇸 United States – Remote ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 👮♂️ Cybersecurity / Security Engineer Virtual Chief Information Security Officer – vCISO 🕒 Yesterday Alluvionic Inc. 11 - 50 🔒 Cybersecurity 🏛️ Government Website LinkedIn All Job Openings vCISO providing part-time, executive-level cybersecurity leadership for multiple client engagements. Involves governance, risk management, and compliance for regulated environments. 🇺🇸 United States – Remote ⏳ Contract/Temporary 🔴 Lead 👮♂️ Cybersecurity / Security Engineer Cyber Security Network Security Engineer 🕒 2 days ago Uvation 11 - 50 🤖 Artificial Intelligence 🔒 Cybersecurity ☁️ SaaS Website LinkedIn All Job Openings Network Security Engineer in charge of network security solutions for enterprise environments. Designing, implementing, and monitoring security across cloud and onsite infrastructure. 🇺🇸 United States – Remote ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 👮♂️ Cybersecurity / Security Engineer AWS Azure Cloud Cyber Security Firewalls Corporate Security Technology & Data Engineer – Contract 🕒 2 days ago GreenLight.ai 11 - 50 👥 HR Tech ☁️ SaaS 🤝 B2B Website LinkedIn All Job Openings Contractor to help Corporate Security build a best-in-class technology and data ecosystem. Develop dashboards and tools using OpenAI's automation capabilities while working collaboratively across teams. 🇺🇸 United States – Remote 💰 Pre seed on 2020-04 ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 👮♂️ Cybersecurity / Security Engineer Microsoft 365 Security Engineer 🕒 3 days ago qode.world 11 - 50 🤖 Artificial Intelligence 👥 HR Tech 🎯 Recruiter Website LinkedIn All Job Openings Microsoft 365 Security Engineer focusing on implementing and deploying security solutions for Microsoft 365. Leading hands-on security initiatives in a contract role for a defined project. 🇺🇸 United States – Remote 💵 $70 - $80 / hour ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 👮♂️ Cybersecurity / Security Engineer Cloud View More Security Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs
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Hard Skills & Tools
network security architecturefirewall policy managementZscaler ZIAZscaler ZPASSL inspectionnetwork segmentationZero Trust modelsdata center architectureVPNsSD-WAN
Soft Skills
effective communicationanalytical skillsproblem-solvingcollaborationclient deliverables
Certifications
CISSPCCNPCCIE