Networking Field Tech - Systems Administrator

McKesson; Atlanta (GA); On-site; USD 91,000 - 151,000; Full time

Job summary

McKesson is seeking a Network Systems Engineer to administer and strengthen enterprise network and security infrastructure in a highly regulated environment. You will work with Palo Alto and Cisco firewalls, load balancing, cloud connectivity, and operational services to ensure availability and security.

The role collaborates across Systems Administration, Systems Engineering, Cybersecurity, and GRC teams, contributing to documentation, incident response and continuous improvement.

Qualifications

• Bachelor's degree in CS/IT/Cybersecurity/Engineering or related field.
• 4+ years of relevant network engineering, network administration, or network security experience.
• Experience with Cisco switching environments and enterprise production infrastructure.
• Familiarity with DISA STIG security configuration standards.

Responsibilities

• Administer and support Palo Alto Networks firewall platforms.
• Administer and support Cisco firewall technologies.
• Implement firewall rules, VPN configurations, NAT policies, and segmentation requirements.
• Support Cisco switching and routing environments and troubleshoot connectivity issues.
• Maintain load balancing and application delivery services with F5 technologies.
• Support disaster recovery and business continuity testing activities.
• Assist with audit readiness, evidence collection, and remediation.

Skills

Palo Alto

Cisco firewall

TCP/IP

Network security

DNS

Cloud networking

Automation

AWS

Azure

CCNA

F5 load balancer

Monitoring

Education

Bachelor's degree in CS/IT/Cybersecurity/Engineering

Tools

PowerShell

Python

Ansible

Job description

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.

What you do at McKesson matters. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.

The Network Systems Engineer is responsible for the administration, support, maintenance, and continuous improvement of enterprise network and security infrastructure within a highly regulated environment. This role serves as an experienced technical contributor supporting production network operations, security controls, compliance requirements, and infrastructure reliability.

The position requires strong hands‑on expertise with Palo Alto and Cisco firewall technologies, along with experience supporting enterprise networking, load balancing, cloud connectivity, and operational infrastructure services. The engineer will work closely with Systems Administration, Senior Systems Engineering, Senior Network Engineering, Cybersecurity, and Governance, Risk, and Compliance (GRC) teams to ensure the availability, security, and compliance of critical infrastructure supporting regulated business operations.

The ideal candidate is an experienced network professional who can independently support complex production environments, maintain accurate technical documentation, contribute to security and compliance activities, and help protect sensitive information including PII and PHI.

Network Security Administration

• Administer and support Palo Alto Networks firewall platforms.
• Administer and support Cisco firewall technologies.
• Implement approved firewall rules, VPN configurations, NAT policies, and network segmentation requirements.
• Support implementation of security controls and approved security baselines.

Network Infrastructure Operations

• Support Cisco switching and routing environments.
• Troubleshoot and resolve network connectivity and performance issues.
• Support network infrastructure upgrades and lifecycle management activities.
• Perform root cause analysis on network service incidents.

Load Balancing and Application Delivery

• Support F5 load balancing technologies.
• Maintain virtual servers, traffic management policies, SSL configurations, and application delivery services.
• Partner with application support teams to maintain highly available services.

Operational Infrastructure Support

• Support disaster recovery and business continuity testing activities.
• Maintain operational runbooks and support procedures.

Compliance and Regulatory Support

• Support infrastructure operating within a federal, healthcare, or otherwise highly regulated environment.
• Participate in audit readiness, evidence collection, and remediation activities.
• Assist with maintenance of technical controls aligned to regulatory and security requirements.
• Support protection of sensitive information including PII and PHI.
• Follow established configuration management and change control processes.

Monitoring and Observability

• Utilize monitoring and observability platforms to identify service and infrastructure issues.
• Review network health, capacity, availability, and performance metrics.
• Support operational reporting and dashboard development.
• Participate in continuous service improvement initiatives.

Develop and maintain network diagrams, technical procedures, standards documentation, and operational guides.

Collaborate with Systems Administration, Senior Systems Engineering, Senior Network Engineering, Cybersecurity, and GRC teams.

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related field, or equivalent experience.

Typically requires 4+ years of relevant network engineering, network administration, or network security experience.

• Experience supporting Cisco switching environments.
• Experience supporting enterprise production infrastructure.
• TCP/IP networking
• Network security principles
• DNS and related network services
• Cloud networking fundamentals
• Monitoring and observability concepts
• Experience supporting federal, healthcare, or other highly regulated environments.
• Familiarity with DISA STIG security configuration standards.
• Experience supporting audit and compliance activities.
• Experience with Azure, AWS, or hybrid cloud networking environments.
• Experience with automation technologies such as PowerShell, Python, or Ansible.
• Network
• CCNA
• Cloud
• AWS Certified Advanced Networking

Service Management

• ITIL Foundation

Ability to independently manage operational responsibilities with limited supervision.

• Collaborative mindset and ability to work effectively across infrastructure, engineering, cybersecurity, and compliance teams.
• Commitment to operational excellence, security, and regulatory compliance.

This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered.

90,500 - $150,800

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) or (Canada) us at McKesson!