Senior Juniper SRX Firewall Engineer

SoluStaff

. Administer, configure, and maintain Juniper SRX edge and core firewalls in a large multi-tenant enterprise environment .

Posted 11/5/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in administering and troubleshooting Juniper SRX firewalls on Junos OS, with strong CLI skills for policy and VPN management. Capable of coordinating with IT teams to implement secure network configurations in multi-tenant enterprise environments.

Highest-signal resume keywords

Juniper SRX Firewall AdministrationJunos OS ProficiencyIPsec/IKE/IKEv2 VPN TroubleshootingStrong CLI SkillsJuniper Certifications (JNCIS-SEC, JNCIP-SEC)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Firewall Rule CreationSecurity Policy ManagementTraffic-Flow DiagnosisPacket-Level TroubleshootingRouting FundamentalsSwitching FundamentalsVPN ManagementNetwork Availability ResponseConfiguration DocumentationMulti-Customer Environment Support

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationIndependent Work Ability

Tools & Technologies

Juniper Security DirectorJunos SpacePalo Alto FirewallsCLI Tools

Certifications & Qualifications

JNCIS-SECJNCIP-SEC

Industry Keywords

Enterprise NetworkPublic Safety EnvironmentGovernment EnvironmentMulti-Tenant Environment

Tech Stack

Tools & technologies

Cyber SecurityFirewallsSwitching

About the role

Key responsibilities & impact

Administer, configure, and maintain Juniper SRX edge and core firewalls in a large multi-tenant enterprise environment
Create, modify, and review firewall rules and security policies
Build, manage, and troubleshoot IPsec site-to-site and remote access VPNs using IKE/IKEv2
Diagnose and resolve connectivity and traffic-flow issues using CLI tools, session and flow analysis, logs, and packet-level troubleshooting
Perform planned changes, upgrades, and maintenance with documentation and rollback plans
Respond to escalated and critical incidents affecting network availability or security
Work with agency IT teams and system owners to understand requirements and implement secure, supportable rules
Coordinate with network engineering and cybersecurity teams
Schedule changes around operational needs of public safety and other critical services and communicate stakeholder impact
Document configurations, standards, and procedures
Support Palo Alto firewalls as the customer expands its use of that platform

Requirements

What you’ll need

5+ years of hands-on experience administering and troubleshooting Juniper SRX firewalls specifically on Junos OS
Strong CLI skills, including building policies, zones, NAT, and VPNs from the command line
Proven IPsec/IKE/IKEv2 VPN troubleshooting experience
Solid understanding of routing, switching, and enterprise network fundamentals
Experience supporting large enterprise or multi-customer environments
Ability to work independently, with strong written and verbal communication
Willingness to complete a hands-on technical lab as part of the interview process
Ability to pass a background check
Experience with Palo Alto firewalls (preferred)
Experience with Juniper Security Director, Junos Space, or other centralized management platforms (preferred)
Experience with high-end SRX platforms such as the SRX4000/5000 series (preferred)
Experience in government, municipal, or public safety environments (preferred)
Juniper certifications such as JNCIS-SEC, JNCIP-SEC, or higher (preferred)

Benefits

Comp & perks

Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k)
Paid Time Off (Vacation, Sick & Public Holidays)