• Location: Denver, Colorado
  • Type: Contract
  • Job #2187

Title: Systems Administrator
Location: Denver, CO


Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.


  • Design, install and configure internal servers, network devices and firewalls
  • Proactively manage and maintain server, network and firewall systems.
  • Develop and implement project plans, risk assessments and contingency plans
  • Identify Cybersecurity Threats
  • System Hardening
  • Define and document best practices and support procedures
  • Assist with hardware, firewall, and software vendor evaluation, recommendation and negotiations
  • Mentor / cross train team members on existing and new technologies
  • Interact with end-users and staff at the technical level, as required.
  • Deploy automation systems.
  • Design and implement monitoring, configuration management and reporting functions that will make a hands-off environment
  • Administer and support core Microsoft, Palo Alto, Intune, and virtual technologies
  • Manage and design Azure environment.
  • Other duties as assigned.

Skills and Qualifications:  Bachelor's degree in computer science (or related area) preferred.

Requirements/Preferred Experience:

  • Microsoft Certification (MCSE) or equivalent certification in relevant programs desired.
  • Advanced knowledge of Windows Server /desktop Operating Systems
  • Managing in Windows Servers
  • Managing deployments/rollouts
  • Managing Palo Alto firewalls.
  • Managing UNIF devices.
  • Managing server virtualization technologies.
  • A solid understanding of LAN/WAN networking
  • Group Policy design and configuration
  • Linux/UNIX administration
  • Active Directory/SAML user and group administration
  • Ability to troubleshoot network issues including back bone infrastructure issues
  • LAN Routing and Switching design, configuration and troubleshooting (VLANs, IP Subnetting)
  • Strong communication and documentation skills
  • Flexible and able to adapt to a rapidly changing environment
  • Must be organized and have the ability to manage projects of varying length
  • Positive, self-motivated individual who can complete tasks independently
  • Must be a team player
  • DoD 8570 Level II preferred, – or ability to certify within first 6 months
Attach a resume file. Accepted file types are DOC, DOCX, PDF, HTML, and TXT.

We are uploading your application. It may take a few moments to read your resume. Please wait!