MDA Information Systems LLC

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Network Administrator - Linux

Network Administrator - Linux

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MDA Information Systems LLC is looking for a Systems and Network Engineer to join our team in Gaithersburg, MD 


General Summary


The Systems and Network Engineer position provides installation, configuration and maintenance of networked information systems across multiple locations. Duties include support for all network infrastructure equipment and security devices; troubleshooting network and communication issues and bottlenecks, assisting in network architecture reviews; documenting network topologies and configurations; securing network resources and communication; and working with business units to improve performance and speed. The position will also provide direct system administration support for Linux and Windows systems; large-scale storage devices; virtualization host environments; and layer 3 thru 7 security solutions.   The position will have opportunity to be exposed to numerous system, network, and security related projects in order to improve MDA’s network and infrastructure capabilities while further enhancing IT security. This position requires a highly-motivated individual who can work effectively within a team as well as independently. Candidates must be able learn quickly to support a fast-paced environment.


The Company:  MDA Information Systems LLC is a major supplier of weather information and geospatial intelligence. The firm serves a diverse client base including commercial and governmental organizations in agriculture, energy, defense, and civilian government. MDA is an industry leader in earth observation remote sensing technology and image processing. We build satellite ground systems that enable users to acquire and process imagery from the most sophisticated Earth-observing satellites in the world: much of the satellite imagery that you see on Google Maps was generated by our software!


MDA Information Systems LLC offers an excellent comprehensive benefits package including medical, dental, life, and short/long-term disability insurance, vacation and sick leave, 401(k) retirement plan, flexible spending account and tuition assistance. MDA Information Systems, LLC is an Equal Opportunity Employer.


To be qualified you must be a US Citizen and must have eligibility to receive a clearance



Primary Responsibilities:

  • Install, configure, and maintain network and security equipment and services
  • Provide Linux and Windows provisioning and administration across physical and virtual platforms
  • Document/diagram current and future networks and systems
  • Troubleshoot issues with networks, security, hardware, OS’s and applications from end to end
  • Assist in network security planning, implementation, and maintenance (firewall, ACL, etc.)
  • Implement and manage VPN, Next Generation Firewall, Virtualization, and Storage solutions

Additional Responsibilities:

  • Install new servers/workstations/other devices and connect to the network
  • Identify and implement best practices for network performance and security
  • Document IT processes, configurations, and policies for network and server configurations and security
  • Provide general Tier 2/3 end user support as requested
  • Other duties as assigned



  • Experience: At least 5 years of hands-on IT support in a medium to large organization
  • Certifications: (One or multiple of the following desired) CCNA, CCNP, CNE, Security+, CISSP, RedHat Certification, MCSE, Amazon Solutions Architect
  • Education: Bachelor’s Degree in Computer Science, Information Technology or related work experience
  • Systems: Cisco/Dell Routers and Switches; Juniper, CheckPoint, and/or Cisco security devices
  • OS: Windows Server, Linux (mainly CentOS/RHEL), VMWare ESXi experience recommended
  • Networking: General knowledge and hands on experience with switches, routers, and firewalls required. A working knowledge of VLANs, Subnetting, ACLs, STP, LAGs, LACP, and basic routing protocols also required.
  • Software: Ability to use terminal services (PuTTY, Hyperterm, or similar) to configure switches/routers via CLI required. A working knowledge of troubleshooting applications (Wireshark, ethereal, tcpdump, or similar) also required
  • Must have excellent troubleshooting skills with the ability to analyze and isolate network and system specific issues to identify and resolve the root cause.
  • Experience implementing PKI solution for device and user validation a plus
  • Ability to work independently to develop and present IT solutions that meet business unit’s needs
  • Excellent oral and written communication
  • Excellent focus on customer service and in building relationships with IT and non-IT staff
  • Experience with Network Load Balancers a plus
  • Cloud experience using Amazon Web Services or Google Cloud a plus