Network Administrator II

Job Summary

The Network Administrator II operates, supports, and improves enterprise network services across data centers, offices, and cloud interconnects. They execute approved changes, resolve incidents, harden configurations, maintain documentation, and collaborate with cross‑functional teams to meet availability, performance, security, and compliance objectives.

Key Responsibilities

• Operate and troubleshoot routing, switching, VPN, firewalls, wireless, load balancers, and DNS/IPAM across production and non‑production environments; restore service quickly and document fixes.
• Implement changes via established change control processes; perform peer reviews, validations, and post‑change health checks; communicate plans, risks, and backout steps.
• Participate in incident response (including major incidents); provide accurate impact updates and contribute to post‑incident reviews and corrective actions.
• Maintain and improve monitoring, alerting, and observability; tune thresholds/dashboards to reduce noise and speed up triage.
• Create and maintain accurate network documentation and SOPs; keep inventories, diagrams, and standards current for operations and audits.
• Support security and compliance (e.g., PCI/ISO) by providing evidence, hardening configurations (TLS/certificates/WAF), and remediating findings on schedule.
• Contribute to automation for configuration, compliance, backups, and workflows (e.g., scripts and CI/CD pipelines) to improve speed and consistency.
• Plan and execute upgrades/migrations during approved windows; engage vendors/TAC effectively when needed.

Minimum Qualifications

• Bachelors in information technology, Computer Science, or related field; or equivalent practical experience.
• 3–5 years administering enterprise networks (routing/switching, VPN, firewalls, wireless, DNS/IPAM) with strong troubleshooting and change execution skills.
• Hands‑on experience with common enterprise platforms (e.g., Cisco networking and Palo Alto/ASA firewalls) in production environments.
• Familiarity with monitoring and IPAM/DNS tools (e.g., SolarWinds, Infoblox) and ticketing/change systems (e.g., ServiceNow, Jira).
• Basic scripting/automation exposure (e.g., Python, REST APIs, Git/Azure DevOps/GitHub) for repeatable tasks.
• Understanding of ITIL processes (incident, change, problem); strong communication and documentation skills.

Preferred Qualifications

• CCNA or CCNP; security certifications (e.g., PCNSE) are a plus.
• Experience with load balancers and certificate lifecycle (e.g., F5 BIG‑IP, WAF, TLS hardening).
• Exposure to cloud networking (AWS/Azure), SD‑WAN, Zero Trust/remote access, and network security best practices.
• Experience building pipelines or automation for network configuration and compliance.

Tools and Technologies (Examples)

• Cisco routing/switching, wireless
• Palo Alto/ASA firewalls, VPN/remote access
• F5 BIG‑IP (LTM/WAF) or equivalent load balancers
• Infoblox (DNS/DHCP/IPAM)
• SolarWinds/LogicMonitor and NetFlow/packet analysis tools
• Git, CI/CD (Azure DevOps/GitHub), Python/REST APIs

Work Conditions

• Participation in on‑call rotation and off‑hours maintenance as required.
• Occasional vendor meetings and cross‑time‑zone collaboration.

Success Metrics

• Change success rate and adherence to windows
• MTTR and SLA attainment for incidents
• Reduction in repeat incidents via corrective actions
• Audit readiness and timely closure of findings
• Automation adoption and reduction of manual effort

CSGer Perks & Benefits

• Work from Home, in-office, or hybrid
• Employee Belonging Groups
• Healthcare: Dental, Medical, and Vision
• Paid Vacation, Volunteer, and Holiday Time Off
• And so much more!

Our Story

CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy. By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are.

Key skills/competency

• Network Administration
• Routing and Switching
• Firewall Management
• VPN
• DNS/IPAM
• Incident Response
• Network Monitoring
• Automation Scripting
• ITIL Processes
• Security Compliance