System Administrator (DNS & Linux)

  • Salary

    $100,000 - $110,000 Per Year


5 to 15 Years

Posted On

Oct 07, 2022


PB Consulting

11 View

6 Applicants

Job Overview

Required Skills

  • System Administration
  • DNS
  • Linux Administration
  • Infobox

Job Type


Work Authorization



Alpharetta, GA

Job Description


  • DNS & Linux Administration/Infobox
  • Provides administration and management of Infoblox IP Address Management (IPAM) Platform
  • Creation and de-commission of IP space for multiple customers
  • DHCP Management and configuration 
  • Provides problem and incident resolution, including dealing with software and hardware vendor technical support
  • Deploy and maintain network hardware, peripherals, services, and settings in accordance with industry standards and project/operational requirements
  • Performs daily system monitoring; verifies the integrity and availability of hardware, services, systems, and key processes; reviews system and application logs
  • Documents and performs network upgrades and modifications during ASI windows
  • Provides on-call troubleshooting and issue resolution as required
  • Develops and maintains installation and configuration procedures
  • Partner with the information security personnel to assess potential exposure to vulnerabilities, identify mitigation plans, and ensure compliance with enterprise security baselines and standards
  • Acts as a liaison with other groups to provide information sharing pertaining to the needs of the diverse set of computer users supported by the client as a whole.
  • Develop scripts and other automation solutions to aid in the completion of migration and integration tasks.
  • Review problems to understand the root causes of issues and ensure proper fixes are implemented
  • Inform management in a clear, concise, and timely manner of any customer or technical issues
  • Be responsive and decisive on adjusting architecture as customer requirements and technology evolves
  • Coordinate with on-site support personnel while troubleshooting
  • Use enterprise service management tools to initiate, respond, and track service requests
  • Create reports and analyze performance metrics


Required Skills:

  • Active TS/SCI clearance
  • Must have a DoD 8570 IAT Level II Certification (i.e. - Security+)
  • One of the following certifications – InfoBlox, Linux Administration, Cisco (CCNA/CCNP), Juniper (JNCIA/JNCIS/JNCIP), Aruba, Arista
  • 8+ years of related experience following Networking 
  • Bachelor’s degree in a related field or work experience considered in lieu of degree.
  • Master's degree may be substituted for 2 years' experience; or a doctoral degree may be substituted for 3 years' experience. 4 years' experience (in addition to minimum experience requirements) may be substituted for a Bachelor's degree
  • Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment
  • Possess flexibility to operate in a highly dynamic environment while ensuring a high level of operational effectiveness
  • Detail oriented with ability to work well in a team environment
  • Extensive experience troubleshooting, managing and monitoring services such as BIND (DNS)
  • Experience building configurations using CLI
  • Experience creating & updating network topologies using Visio
  • Creating and documenting processes and creating work instructions
  • Experience working as a part of a large team and working directly with customers
  • Excellent hardware troubleshooting experience.
  • Experience creating scripts to automate routine administration tasks
  • Excellent verbal skills and ability to communicate effectively with people who have varying degrees of technical expertise
  • Strong customer service skills


Desired Skills:

  • Aruba Certification (ACSA and/or ACSP, depending on role)
  • Experience with F5 load balancers to include troubleshooting, configuring, upgrading, maintaining, and monitoring an enterprise F5 load balancer network architecture (F5 Network certification a plus)
  • Experience with Infoblox IP Address Management (IPAM) and DHCP Administration
  • Experience utilizing  ITSM tools (ServiceNow, Remedy)
  • Experience administering and troubleshooting server operating systems such as Linux, Windows, or UNIX
  • Experience with LDAP/PKI preferred 
  • Broad understanding of network infrastructure topologies, security policies, firewalls, and the L2/L3 switch and router infrastructure
  • Experience with Network Management & Performance platforms, such as NetScout / Science Logic

Job ID: PBC00030

  • Posted By

    William Christopher


Sr Manger


PB consulting

Last Login

Jun 07, 2023

Posted On

Oct 07, 2022

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