Network Security Engineer

Openkrill; United States; Hybrid; USD 110,000 - 150,000; Full time

Job summary

Legato Security is seeking a Network Security Engineer to join our Network team. The candidate will support, implement, troubleshoot, and improve customers' networks and security environments, including firewalls, Zscaler, Netskope, and VPN technologies.

The role requires a strong networking foundation, practical troubleshooting, and effective communication across customer environments. This is a hybrid, mostly remote position with some in-office time in Salt Lake City as needed.

Qualifications

• Hands-on experience with network security tech such as firewalls, Zscaler, Netskope, VPNs, SSE/SASE platforms.
• Strong troubleshooting and analytical skills to diagnose network issues.
• Working knowledge of routing concepts (TCP/IP, BGP, OSPF, etc.) and LAN technologies.

Responsibilities

• Support, administer, configure, and troubleshoot firewalls, Zscaler, Netskope, VPNs in customer environments.
• Work with customers to understand requirements, troubleshoot problems, and implement changes.
• Respond to service tickets, incidents, requests, and escalations affecting network security.
• Serve as escalation point for complex issues requiring deeper analysis.
• Assist with on-going configurations, migrations, upgrades, and project work.
• Create and maintain firewall documentation and customer-specific notes.
• Participate in incident response and root-cause analysis as needed.

Skills

Network security

Firewalls

Zscaler

Netskope

VPNs

Troubleshooting

TCP/IP

SD-WAN

Wireshark

Tools

Wireshark

SD-WAN

Job description

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Who We Are

Legato Security is an information security firm founded upon the belief that every organization has the right to keep its data private and secure. Our mission is to build close partnerships with our clients, serving them not as just a vendor, but as trusted advisors helping to build effective, proactive plans. Our focus is always on both the technical and human elements within an organization. We believe in comprehensive strategies designed to harden networks, deflect attackers, and rapidly recover from any accidents. As technology progresses, so do our tactics, ensuring our experts are always prepared to serve forward-looking leaders eager to stay ahead of emerging threats.

Position Overview

We are seeking a Network Security Engineer to join our Network team. This role will support the administration, implementation, troubleshooting, design, and ongoing improvement of our customers’ networks and security environments.

The ideal candidate will have hands-on experience with network security technologies such as firewalls, Zscaler, Netskope, VPNs, routing, switching, or related technologies. Extensive experience with every platform is not required, but a strong networking foundation, practical troubleshooting ability, good communication skills, and a willingness to continually learn are essential.

This position will work across a variety of operational and project-based activities, including customer requests, incidents, service tickets, troubleshooting, implementations, migrations, upgrades and changes, and technical projects. Because the role supports multiple customers and environments, the successful candidate must be able to communicate effectively, manage competing priorities, adapt to different technical requirements, and see issues through to resolution.

This position is hybrid and mostly remote in nature, but may require some time in office (Downtown Salt Lake City) for troubleshooting, updating, and replacing network equipment; client visits as required, etc. Some time on-call is required, but this will rotational and not extensive.

Specific Job Responsibilities

• - Support, administer, configure, and troubleshoot firewalls, Zscaler services, Netskope, VPN technologies, and related network security platforms, both internal and in customer environments
• - Work directly with customers to understand business and technical requirements, troubleshoot problems, evaluate potential solutions, and implement appropriate changes
• - Respond to and resolve service tickets, incidents, requests, and escalations involving network connectivity, firewalls, Zscaler, Netskope, and related technology
• - Serve as an escalation point for technical issues that require additional troubleshooting, analysis, or expertise beyond initial support
• - Support, configure, and troubleshoot firewall and network product environments to meet customer connectivity and security requirements
• - Participate in firewall, Zscaler, and Netskope implementation, migration, upgrade, replacement, and configuration projects.
• - Assist with the configuration and maintenance of Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Client Connector, and related services
• - Assist with the configuration and maintenance of the Netskope One platform including SASE, SSE, CASB, SWG, Private Access, Cloud Firewall, SD-WAN, and more
• - Support Zscaler and Netskope policies including URL filtering, firewall policies, SSL inspection, authentication, access policies, application access, traffic forwarding, connectivity, routing, DNS, DHCP, NAT, VPNs, authentication, traffic forwarding, SSL/TLS inspection, application access, VLANs, switching technologies, and policy enforcement
• - Configure and troubleshoot VPN technologies including SSL VPN, IPsec, Remote Access VPN, and Site-to-Site VPN connections
• - Review firewall logs, Zscaler logs, Netskope logs, packet captures, routing tables, traffic flows, error messages, and other diagnostic information to determine root cause
• - Assist with customer onboarding and changes to existing customer network and security environments, testing and validation of new configurations, and other changes prior to production deployment
• - Create and maintain firewall documentation, configuration records, troubleshooting procedures, implementation notes, and customer-specific technical documentation.
• - Participate in incident response, problem management, and root-cause analysis activities as needed
• - Have the ability to manage multiple unresolved tickets, incidents, projects, and customer requests with assistance from other team members or technical resources as needed, both individually and in collaboration with team members
• - Assist engineers and analysts and with troubleshooting processes, technical methodologies, and network security best practices
• - Identify opportunities to improve network configurations, security controls, operational processes, troubleshooting methods, documentation, and customer experience
• - Maintain awareness of emerging networking and cybersecurity technologies, vendor platform changes, vulnerabilities, security capabilities, and industry best practices

Qualifications

Required Qualifications:

• - Hands-on experience with one or more network security technologies such as firewalls, Zscaler, Netskope, VPNs, secure web gateways, SSE/SASE platforms, proxies, or zero-trust technologies
• - Strong troubleshooting and analytical skills with the ability to methodically diagnose network and security issues
• - Working knowledge of routing concepts and protocols such as TCP/IP, BGP, OSPF, EIGRP, IS-IS, RIP, Static Routing, and SD-WAN
• - Working knowledge of LAN technologies including Ethernet switching, VLANs, Spanning Tree Protocol (STP), Port security, Link/port aggregation, and LAN and WAN architecture
• - Experience or familiarity with physical, virtual, and cloud firewall technologies
• - Understanding of firewall concepts including Security policies, zones and interfaces, objects and object groups, routing, NAT, VPNs, Application and Service policies, Logging, and traffic analysis
• - Knowledge or familiarity of VPN technologies including IPsec, SSL VPN, Remote Access VPN, and Site-to-Site VPN
• - Working knowledge of concepts including NAT (Source NAT, Destination NAT, and U-Turn/Hairpin NAT), DNS, and DHCP
• - Familiarity with authentication and identity technologies such as SAML, SSO, MFA, Active Directory, Entra ID, and SCIM
• - Ability to capture, analyze, and interpret network traffic using Wireshark or similar packet-analysis tools
• - Ability to interpret network and security logs, packet captures, routing information, error messages, and other diagnostic information
• - Ability to design and document network and related security solutions would be helpful
• - Strong customer-facing skills, including the ability to listen, evaluate requirements, ask appropriate questions, and clearly explain technical issues and solutions
• - Ability to communicate effectively with both technical and non-technical audiences
• - The ability to work both within a team environment and individual situations are required
• - Ability to work with multiple customers, environments, projects, incidents, and priorities simultaneously
• - Ability to manage time effectively and see incidents, requests, and technical issues through to resolution
• - Willingness and ability to learn new technologies and develop deeper expertise across networking and network security platforms

Preferred Qualifications:

Experience with one or more of the following technologies or disciplines is beneficial but not required:

Firewall and Network Security Platforms

• - Palo Alto Networks
• - Cisco ASA / Cisco Secure Firewall
• - Fortinet FortiGate
• - Check Point
• - Juniper SRX
• - SonicWall
• - Cisco Meraki
• - Sophos
• - WatchGuard
• - Microsoft Azure network security technologies
• - Amazon Web Services network security technologies

Zscaler Technologies

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