Systems Administrator

Halfaker and Associates   •  

Arlington, VA

Industry: Business Services


Less than 5 years

Posted 299 days ago

This job is no longer available.

Job Description

Halfaker and Associates, an award winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Data Analytics, Software Engineering and IT Infrastructure to improve the health, security and well-being of all Americans. Our commitment to excellence and our vision to “Continue to Serve” has resulted in steady growth and an expanding client base across government agencies in the health, defense, security and intelligence sectors. Headquartered in Arlington, VA, we have employees nationwide and were recently named a 2017 Top Work Place by the Washington Post. Please take a moment to browse through our website and learn more about what it means to serve with Halfaker.


Halfaker has an opening for a Systems Administrator to join our talented, dynamic team. The key responsibilities for this position include:


  • Operations and Maintenance Activities include:
    • Maintain Halfaker AD structure (OU, group policy, etc.)
    • Setup/Maintain Monitors on all Halfaker managed Servers
    • Respond to Monitor Alerts
    • Develop SOP and Documentation on alert response for Tier 1 support to follow
    • Automate Operational procedures through scripting
    • Analyze windows system logs and take proactive/preventive action to maintain server health
    • Validate Operating System Patches as they become available
    • Patch Halfaker Managed Windows Servers
    • Review Compliance Findings and develop remediation plans for Windows servers
    • Provide Tier 3 support to Halfaker IT Helpdesk
    • Participate in weekly review of monitor alerts to identify high alert counts and develop plans for mitigating these alert patterns
    • On Call Rotation for off hours support
  • System Architecture/Design
    • Develop and Maintain Run Books for Servers
    • Perform Technical Research and develop POCs
    • Setup/Configure new infrastructure components designed by Infrastructure Architect
  • Cloud Support
    • Help configure and deploy new Cloud resources to support Project Teams
    • Develop SOP and Documentation on cloud resource set up for Tier 1 support to follow

Required Skills

  • Resourcefulness and problem-solving aptitude
  • Excellent analytical, organizational, verbal and written communication skills
  • Experience with security and vulnerability patching physical and virtual machines, including deployment and process documentation
  • Strong propensity to automate routine tasks via scripting. Ability to author scripts (beyond copying and modifying)
  • Bachelor’s degree in Information Technology, Computer Science or a related discipline

Required Experience

  • Minimum of 3 years of relevant experience
  • Experience support corporate IT infrastructure and users
  • Professional certification in one or more of these is preferred 
    • Microsoft Certified Systems Administrator (MCSA)
    • MCITP
    • 70-411 Administering Windows Server 2012
    • 70-412 Configuring Advanced Windows Server 2012 Services
    • 70-413 Designing and Implementing a Server Infrastructure
    • 70-414 Implementing an Advanced Server
  • SharePoint Administration
  • Experience with Certificate Authorities
  • Knowledge and aptitude in supporting video conferencing appliances
  • Experience with AWS or Azure Services
  • IaaS experience