Job Title: Infrastructure Security Engineer (Contract)
Location: Atlanta preferred, but not required. Local candidates should expect to be onsite at least 1 day per week. Remote candidates may be considered for the right fit.
Type: Contract
Overview
We are seeking a Infrastructure Security Engineer to step into a critical backfill role supporting a broad range of enterprise infrastructure security initiatives. This position is ideal for a senior-level security generalist with strong hands-on engineering experience across multiple infrastructure and security technologies, rather than someone narrowly focused on one specialty.
This individual will help maintain continuity during the transition of a lead-level team member and will serve as a key technical resource across core network and infrastructure security functions.
Key Responsibilities
- Serve as a senior-level infrastructure security engineering resource across multiple domains
- Support, maintain, and optimize enterprise security infrastructure technologies
- Engineer, administer, and troubleshoot Palo Alto firewalls
- Support and manage Cisco Identity Services Engine (ISE) for network access control
- Administer and enhance Zscaler solutions, including:
- Zscaler Private Access (ZPA)
- Zscaler Internet Access (ZIA)
- Zscaler Cloud App Control
- Support Public Key Infrastructure (PKI) environments
- Manage TLS certificate lifecycle processes, including issuance, renewal, and maintenance
- Support Web Application Firewall (WAF) technologies
- Assist with Cisco Meraki administration and support as needed
- Contribute to secure access strategy with a foundational understanding of Zero Trust Network Access (ZTNA) principles
- Partner with infrastructure and security teams to strengthen security posture across the environment
- Provide troubleshooting, operational support, and engineering guidance across a variety of infrastructure security priorities
- Help ensure continuity and stability during a key leadership backfill
Required Qualifications
- Strong experience as an Infrastructure Security Engineer , Network Security Engineer , or similar senior-level security engineering role
- Proven background as a security generalist with experience across multiple security and infrastructure tools
- Heavy hands-on experience with Palo Alto firewalls
- Strong hands-on experience with Zscaler , especially ZPA and ZIA
- Experience supporting Public Key Infrastructure (PKI)
- Experience with TLS certificate lifecycle management
- Experience with Cisco Identity Services Engine (ISE) or similar network access control technologies
- Experience supporting or administering Web Application Firewalls
- Familiarity with Cisco Meraki
- Foundational understanding of Zero Trust Network Access (ZTNA) concepts
- Strong troubleshooting, communication, and cross-functional collaboration skills
- Ability to operate independently in a lead-level engineering capacity
Preferred Qualifications
- Atlanta-based candidates preferred, but not required
- Local candidates should be comfortable working onsite at least 1 day per week
- Prior experience stepping into backfill or transition-focused roles
- Experience supporting a broad mix of infrastructure and security technologies in an enterprise environment
- Especially strong experience with Cisco ISE , as this may be one of the harder skill sets to find in market
- Atlanta local preferred, but not a requirement
- Hybrid expectation of at least 1 day onsite per week for local candidates
- Remote candidates may be considered for the right skill set and experience