• Unix DNS Bind Administrator - SME

    Job Locations US-MD-Gwynn Oak
    # of Openings
    Information Technology
    Job ID
  • Overview

    OBXtek Inc. is an established award-winning business providing information technology and professional management services to the federal government. OBXtek is a leader in its field and is committed to identifying, developing, and delivering innovative, mission-focused technical and logistical solutions to over 15 civilian and military partners in the Federal Government.


    As a prime contractor for 93% of our current work, we possess a robust corporate infrastructure that provides management oversight and support for all our programs. OBXtek pairs lessons learned across disciplines with industry standard quality practices such as CMMI-Dev Level III, ITIL, 6Sigma, PMI, and ISO to create processes that leverage best practices and result in novel, successful solutions.


    OBXtek is hiring for a Unix DNS Bind Administrator, to provide Domain Name Server (DNS) administration and UNIX system support to manage and edit internal facing BIND DNS in our client's Enterprise Environment


    In support of the task, the candidate shall perform the activities described in the sections below:

      • Manage static and dynamic BIND DNS zones using any appropriate UNIX editor.
      • Use basic UNIX navigation skills (cd, ls, cat, find, grep, su, etc.) to perform DNS functions (nsupdate, nslookup, dig, host) and locate data records to resolve old or stale and cached DNS information.
      • Maintain DNS records for the network, managing over 160,000 hosts.
      • Develop/maintain scripts (including but not limited to Shell/Perl) to automate daily record cleanup, backups, and UNIX administration tasks.
      • Manage email/web based tasking on a daily basis to resolve incoming tickets and change requests.
      • Respond to telephone and email requests and inquiries from remote sites as well as inquiries from technical staff.
      • Troubleshoot DNS issues in a heterogeneous UNIX / Windows environment.
      • Configure and support all integration between the internal BIND DNS, Active Directory DNS and the various other DNS environments (External facing, AWS. mainframe, load balancer, AS400s, hosted, etc.) within the the Enterprise. This includes but is not limited to delegations, forwarding, and spoofing and other special functions.
      • Coordinate activities with those who hold technical responsibility for the various other DNS environments.
      • Perform Solaris (10, 11 and newer) system administration to include installation of latest patch cluster and security cluster maintenance on all internal BIND DNS servers to ensure compliance with the client's UNIX security model and monthly security audits.
      • Modify the DNS records to keep up with the installation schedules of key agency initiatives such as workstation refreshment, printer replacement, and Internet Protocol (IP) readdressing, Cloud initiatives.
      • Develop system specifications/configurations as well as BIND and AD DNS structural design to support the internal facing BIND DNS environment.
      • Use the latest Windows workstation AD Administration tools and SSH client as an interface to the environment as well as the associated MS Office Suite (including Visio) for all documentation creation.
      • Develop and document solutions for preventive maintenance.
      • Analyze and document the BIND DNS and AD DNS environment.
      • Document scripts per direction of the Task Manager



    Requires a minimum of 10 years technically related experience.


    Successful candidates should have:   


    DNS in both Unix and Windows Environments


    Knowledge of network IPv4/IPv6 TCP/IP based protocols

    DNS troubleshooting

    Unix System Administration (Solaris 10 or 11)

    Scripting (Perl, Shell, bash)

    Active Directory


     Note: Will participate in on-call pager rotation. Should expect off hours and/or weekend scheduled work.



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