Cisco Firewall Administrator
Listed on 2026-10-05
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IT/Tech
Cybersecurity, Network Security
Cisco Firewall Administrator
Purpose: Southern Company is seeking a passionate and capable Cisco Firewall Administrator to join our Cybersecurity organization. This position will support Southern Company’s Specialized Cyber Security information security program to ensure Operational Technology (OT) assets are adequately protected.
Education / Experience:
Experience in Cisco FTD Firewall Technologies, including hands-on experience in providing firewall support, installation, and analysis of infrastructure communication.
Possess an in-depth knowledge of information security methodologies, tools, technologies, and best practices and how they relate to the organization.
Ability to troubleshoot and resolve problems in a systematic and logical manner and maintain good communication with all relevant parties throughout the troubleshooting process.
Understand key firewall concepts including but not limited to VPN, NAT, threat prevention, URL filtering, application filtering, etc.
Well versed in networking and routing concepts
Excellent problem solving and analytical skills; ability to solve complex technical issues
2+ years direct administration of Cisco firewall or switching solutions.
Job Responsibilities:
Develop requirements for firewall rule implementation including source and destination IPs, ports, transport protocol
Configure, install, and support network and firewall infrastructure following a mature change management and development process
Provide security oversight and governance for network and firewall infrastructure including firewall rulesets, intrusion prevention policies, exception requests, etc.
Work with an experienced team of network and security engineers to perform vulnerability and fault analysis on devices to develop and implement remediation and recovery plans
Perform root cause analysis of issues and make appropriate recommendations to avoid future failures
Develop and maintain high-level and low-level design documentation including network diagrams within Microsoft Visio
Support Operational Technology (OT) and the enterprise in all aspects of information security administration
Comply with regulations and security best practices while handling confidential data
Conduct investigations and analysis as directed
Engage with TO and business units to evaluate and implement security process for critical infrastructure and key resources
Provide governance and oversight of business unit security activities to ensure compliance with all corporate information security policies and procedures
Establish and execute program updates as necessary to adapt to the changing threat landscape as well as local, state, and federal security requirements
Assist in the ongoing development of Southern Company's OT security architecture to identify areas of opportunity and partner with architects to research alternatives and recommend solutions
Perform security testing and audits to identify vulnerabilities and resolve weaknesses
Research security enhancements and make recommendations to management
Work with vendors where appropriate to escalate issues
Additional Information:
Must have a valid state driver’s license
Must be able to pass background requirements including NERC CIP and enhanced Insider Threat Program (ITP)
Additional duties as assigned
This position falls under the company’s Insider Threat Program and will have access to, and control over sensitive data, systems or assets. Enhanced personnel screening, which includes a background review, drug screen and psychological assessment, will be required if you are selected for this position
About Southern Company
Southern Company (NYSE: SO ) is a leading energy provider serving 9 million customers across the Southeast and beyond through its family of companies. Providing clean, safe, reliable and affordable energy with excellent service is our mission. The company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy solutions provider with national capabilities, a fiber optics network and telecommunications services.
Through an industry-leading commitment to innovation, resilience and sustainability, we are taking action to meet customers' and communities' needs while advancing our goal of net-zero greenhouse gas emissions by 2050. Our uncompromising values ensure we put the needs of those we serve at the center of everything we do and are the key to our sustained success. We are…
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