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Systems Administrator

BAM Broadband

Full-time

Phoenix, AZ

Job description

The Linux Systems Administrator will be responsible for managing and optimizing critical network and server infrastructure at our ISP. This role involves hands-on administration of DNS, DHCP, RADIUS, LibreNMS monitoring, Netbrain, Proxmox virtualization, Ansible and other related systems along with various scripting tasks for network automation and reporting. The ideal candidate is a proactive problem-solver with strong technical expertise in Linux-based environments and networking protocols, capable of handling day-to-day operations, troubleshooting, and contributing to system improvements.

Pay Range: $60,000- $85,000 Annualized (Depending on experience)

Location: Remote position preferably based out of Centennial, CO or Phoenix, AZ

DUTIES & RESPONSIBILITIES

  • Administer and maintain DNS servers to ensure accurate domain resolution and high availability for customers and internal services.
  • Manage DHCP services, including IP address allocation, lease management, and integration with network devices.
  • Oversee FreeRADIUS and Cisco ISE authentication systems for secure access control, including user authentication, authorization, and accounting for network resources.
  • Monitor network performance and infrastructure health using LibreNMS, including setting up alerts, dashboards, database maintenance, and reporting on metrics like bandwidth usage and device status.
  • Handle Proxmox virtualization environment, including VM deployment, cluster management, backups, and resource optimization.
  • Perform routine maintenance, updates, and patches on servers and network systems to minimize downtime.
  • Develop scripts in Python and Ansible for simple network automation tasks and reporting
  • Troubleshoot and resolve issues related to network connectivity, server performance, and system integrations.
  • Collaborate with network engineers and support teams on infrastructure projects, such as scaling services or implementing new tools.
  • Document procedures, configurations, and incident resolutions to maintain an up-to-date knowledge base.
  • Participate in on-call rotations for after-hours support and emergency response.
  • Other associated duties as assigned, including assisting with firewall configurations, VPN setups, or basic scripting for automation.

MINIMUM QUALIFICATIONS

  • 2+ years of experience in systems administration, preferably in an ISP or telecommunications environment.
  • Proven hands-on experience with:

o DNS (e.g., Efficient IP, BIND or similar).

o DHCP (e.g., Efficient IP, ISC DHCP or Kea).

o RADIUS/TACACS (e.g., FreeRADIUS, Cisco ISE, Aruba ClearPass).

o Network monitoring tools like LibreNMS or similar (e.g., Zabbix, Nagios).

o Virtualization platforms such as Proxmox VE.

  • Strong knowledge of Linux/Unix operating systems (e.g., Ubuntu, CentOS) and scripting languages (e.g., Bash, Python).
  • Familiarity with networking concepts, including TCP/IP, VLANs, routing, and firewalls.
  • Excellent problem-solving skills and ability to work under pressure in a fast-paced environment.
  • Effective communication skills for collaborating with technical and non-technical teams.

PREFERRED QUALIFICATIONS

  • Virtualization platforms such as Proxmox VE.
  • Experience with containerization (e.g., Docker)
  • Knowledge of ISP-specific tools like BGP routing or fiber optic network management.
  • MySQL maintenance and optimization
  • Netbrain
  • Sonar OSS

COMPANY BENEFITS

  • Competitive salary and performance-based bonuses.
  • Comprehensive health, dental, and vision insurance.
  • 401(k) with company match.
  • Paid time off, holidays, and flexible work arrangements.
  • Professional development opportunities, including training and certifications.
  • Employee discounts on internet services.

BAM Broadband is an EOE. We encourage applications from diverse candidates.

Job Type: Full-time

Pay: $60,000.00 - $85,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Paid time off
  • Vision insurance

Work Location: In person