Network Security Engineer, Tech Lead

Freddie Mac

Network security tech lead securing Freddie Mac’s mortgage infrastructure with Palo Alto firewalls and cloud automation. Leading perimeter engineering, scripting, troubleshooting, and audit improvements.

Posted 8/4/2026full-timeMcLean • Texas, Virginia • 🇺🇸 United StatesSenior💰 $146,000 - $218,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in implementing and administering firewalls, particularly Palo Alto Networks firewalls, along with proficiency in scripting languages such as Python, Perl, YAML, and PowerShell. Capable of supporting secure perimeter activities in multi-site enterprise environments while effectively collaborating with business customers and managing requests.

Highest-signal resume keywords

Palo Alto Networks Firewall AdministrationPython ScriptingAWS Security and CloudFormation TemplatesLinux ProficiencyNetworking and Troubleshooting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Firewall AdministrationPalo Alto Firewall ConfigurationsPythonPerlYAMLPowerShellAWS SecurityCloudFormation TemplatesLinuxNetworking

Soft Skills

Problem-SolvingTask PrioritizationClear Communication

Tools & Technologies

AnsibleTerraformCI/CD Pipelines

Industry Keywords

Secure PerimeterMulti-Site EnterpriseAudit Evidence GatheringTroubleshootingOn-Call Rotation

Tech Stack

Tools & technologies

AnsibleAWSCloudFirewallsLinuxPerlPythonTerraform

About the role

Key responsibilities & impact

Engineer and automate Firewall/Web Application Firewall capabilities on-premises and in the cloud
Lead automation through scripting
Implement new applications companywide
Support secure perimeter activities across multi-site enterprise cloud and data center environments
Collaborate with business customers and respond to daily requests in a timely manner
Improve audit evidence gathering and streamline evidence-capture processes
Handle queues of business requests
Advise the business on current perimeter configurations and upcoming changes
Execute assigned tasks to completion
Participate in a monthly on-call rotation
Assist with troubleshooting firewall tickets
Provide documented status updates to management and team members

Requirements

What you’ll need

Typically 8–10 years of related professional IT experience
Extensive expertise implementing and administering firewalls, particularly Palo Alto Networks firewalls and other secure perimeter applications
Deep understanding of Palo Alto firewall configurations, policies, and best practices
Proficiency in Python, Perl, YAML, and PowerShell
Extensive experience with AWS security and CloudFormation Templates (CFT)
Familiarity with Ansible and Terraform is a plus
Understanding of CI/CD pipelines is advantageous
Strong Linux skills
Proven networking and troubleshooting experience, focused on Palo Alto Networks products
Expertise supporting encryption and/or security appliance devices
Ability to prioritize tasks independently without direct management oversight
Ability to provide clear, documented status updates to management and team members
Advanced problem-solving skills and ability to work effectively under tight deadlines
Bachelor’s degree in information technology, engineering, computer science, or a related field
Equivalent professional experience accepted as an alternative to the degree; advanced studies/degree preferred
Ability to work a monthly on-call rotation
Ability to assist with troubleshooting firewall tickets
Ability to work non-regular first-shift hours for troubleshooting and on-call

Benefits

Comp & perks

Annual incentive program eligibility
Comprehensive total rewards package
Competitive compensation
Market-leading benefit programs
Reasonable accommodation to participate in the job application/interview process, perform essential job functions, and receive other employment benefits and privileges