
L3 Network Security Engineer (India)
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At a glance
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Job overview
Insight Global seeks a senior-level L3 Network Security Engineer to design, secure, and operate networks supporting clinical and business operations. The engineer will serve as a technical authority on ZTNA and next-generation firewall platforms, with responsibility for network uptime, security, and disciplined change practices in a patient-care environment. The role requires extensive network security experience, automation skills, and experience with regulated environments; Fortinet NSE 4 and Zscaler certifications are preferred.
Skills & qualifications
Skills
Qualifications
Full job description
Job Description
Insight Global is looking for a senior-level (L3) Network Security Engineer to design, secure, and operate the network that supports our client's clinical and business operations. You will be a technical authority on Zero Trust Network Access (ZTNA) and next-generation firewall (NGFW) platforms. This role carries high responsibility: our client's networks support patient care, so uptime, security, and sound change discipline are critical.
Skills and Requirements
- 7+ years of experience in network security engineering, with at least 2 years at L3 / senior escalation level. (Must have enterprise level experience)
- Hands-on production experience with ZTNA / SASE platforms: Zscaler (ZIA, ZPA, ZDX) and Palo Alto GlobalProtect.
- Previous experience with complex troubleshooting across firewalls and performing firewall rule reviews, policy optimization, and segmentation improvements.
- Deep expertise with NGFWs: Fortinet FortiGate (FortiManager/FortiAnalyzer) and Palo Alto Networks (Panorama).
- Proven track record on high-stakes, business-critical projects and 24x7 operations, including major migrations or cutovers.
- Strong Python skills for network and security automation (e.g., requests, Netmiko, Paramiko, NAPALM, REST APIs, JSON/YAML, Git).
- Solid foundation in TCP/IP, routing (BGP, OSPF), switching, VLANs, NAT, IPsec/SSL VPN, DNS, and load balancing.
- Strong troubleshooting skills, including packet capture and log analysis.
- Excellent written and verbal communication, with the ability to explain technical risk to technical and non-technical stakeholders.
- Experience in healthcare or another regulated environment (HIPAA, PHI protection).
- Preferred certifications: Fortinet NSE 4 and Zscaler certifications.
We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [email protected].
How this job compares
Set against the 444 open Network Security Engineer jobs on Olive Jobs, counted November 14, 2026.
- Pay
- This postingNot listed
- US median$126–180K/yr375 salary ranges
- Openings
- Olive Jobs lists 444 open Network Security Engineer jobs across the US. 4% of them nationwide are listed as remote or flexible.
- Hiring the most across the US
- Ford Motor Company53 open
- Noblis52 open
- Cognizant51 open
- Experience
- This posting asks for at least 7 years of experience; Network Security Engineer postings that state a minimum ask for 7 years at the median (421 postings).
- Education
- 86 of the 444 open Network Security Engineer jobs (19%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 14, 2026. Figures based on too few postings are left out.
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