Network Security Engineer, Tech Lead

Freddie Mac

Network Security Engineer Tech Lead managing automation of firewall/web application for Freddie Mac's infrastructure. Collaborating with business to secure network environments and improve audit processes.

Posted 5/5/2026full-timeMcLean • Texas, Virginia • 🇺🇸 United StatesSenior💰 $146,000 - $218,000 per yearWebsite

Tech Stack

Tools & technologies

AnsibleAWSFirewallsLinuxPerlPythonTerraform

About the role

Key responsibilities & impact

Provide engineering and automation of Firewall/Web Application
Lead automation through scripting, companywide new application implementation and other secure perimeter activities for the Freddie Mac infrastructure and applications
Collaborate with the business as they are our customers
Improve audit evidence gathering and streamline evidence capturing processes
Handle a queue of requests from the business
Advise the business on current perimeter configurations and upcoming changes
Execute to completion any task given to you

Requirements

What you’ll need

Typically, 8 -10 years of related professional IT experience
Extensive expertise in the implementation and administration of firewalls, particularly Palo Alto Networks firewalls and other secure perimeter applications
Must have a deep understanding of Palo Alto firewall configurations, policies, and best practices
Proficiency in scripting and programming languages, including Python, Perl, YAML, and PowerShell
Extensive experience with AWS security and CloudFormation Templates (CFT)
Familiarity with infrastructure automation platforms such as Ansible and Terraform is a plus
Understanding of Continuous Integration/Continuous Deployment (CI/CD) pipelines is advantageous
Strong Linux skills
Proven experience in networking and troubleshooting, with a focus on Palo Alto Networks products
Expertise in supporting encryption and/or security appliance devices
Exceptional ability to prioritize tasks independently, without the need for direct management oversight
Competence in providing clear, documented status updates to both management and team members
Advanced problem-solving skills with the capability to work effectively under tight deadlines
Bachelor’s degree in information technology, Engineering, Computer Science, or a related field
Equivalent professional experience or equivalent experience; advanced studies/degree preferred
This role also requires a monthly on-call rotation
Ability to assist with troubleshooting firewall tickets

Benefits

Comp & perks

competitive compensation
market-leading benefit programs
annual incentive program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

firewall administrationPalo Alto NetworksscriptingPythonPerlYAMLPowerShellAWS securityCloudFormation TemplatesLinux

Soft Skills

task prioritizationclear communicationproblem-solvingindependent worktime management