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Applied Network Solutions Logo Applied Network Solutions · IT - Administration

Systems Administrator

United States, Aurora Employment contract 100000.00 - 200000.00 USD / Year · Job Posted May 27, 2026
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Job Description

ANS is currently seeking a Linux / UNIX / Windows System Administrator that will provide Tier 2 technical support to maintain high priority operational systems at a high level of availability, and resolve problems based on mission criticality and guidance. This position is an 8:00 AM to 5:00 PM position (with after-hours call-in responsibility).

Job Responsibility

  • Strong team building skills
  • Performs software application maintenance on mission systems running a variety of operating systems to include Solaris, Unix, Linux, Windows, and VMS
  • Performs routine and preventative maintenance such as general computer tasks, application loads, disk utilization, system loading and system monitoring
  • Detects, isolates, documents, quickly reports, and resolves system outages, or problems encountered during operations of the operational system baseline, which includes the collections of diagnostic data, restoring the system operation, development of workarounds, and other activities necessary for recovery of a system
  • Accurately document problems in logging and discrepancy reporting tools
  • Collect data describing the environment at the time of the failure and perform other activities in support of Tier 3 maintenance provider DR investigation and resolution
  • Perform system monitoring, analyze and document performance and conduct trend analyses as required
  • Support system engineering groups as required for ongoing analysis and integration efforts
  • Environment fluctuates between routine and urgent, depending on ongoing tasks, priorities, and performance of assigned systems
  • Works directly with the customer in most aspects of the day-to-day activities

Requirements

  • Active and in-scope TS/SCI with polygraph U.S. security clearance
  • Must have a current DODI 8570.01-M IAT Level II (minimum) Certification (i.e., Security+ CE or equivalent)
  • A University degree and 5 years of relevant experience, OR A Master's degree and 3 years of relevant experience OR 13 years of related experience in lieu of a degree
  • Military experience may substitute for some requirements
  • Working experience in UNIX or Linux Systems Administration working with customers in technical operations or engineering
  • Experience configuring domain information utilities, such as Active Directory, Centrify, LDAP, and DNS
  • Strong background and experience troubleshooting and debugging applications
  • Experience presenting technical information to customers, clients and/or internal audiences
  • A thorough understanding of operating system concepts such as swapping and paging, inter-process communication, and devices and device drivers
  • The ability to work effectively with frequent and direct customer interaction in a real-time operational environment
  • The ability to work under pressure in restoring high priority systems back to operations

Nice to have

  • Ability to navigate, debug, and modify programs in an advanced programming language
  • Ability to write PERL, python, and shell scripts
  • Experience with storage products from Oracle/Sun/STK, EMC, IBM, NetApp, and/or DDN
  • Experience with virtual / cloud computing technologies using Citrix, VMware, and Amazon Web Services (AWS)
  • Working knowledge of thin-client technologies
  • Experience designing, implementing, and troubleshooting Public Key Infrastructure (PKI)

What we offer

  • Family Medical, Dental (w/ adult orthodontia) and Vision coverage
  • Pet Discount Program
  • PTO (Paid Time Off)
  • Maternity/ Paternity Leave
  • Supplemental Military Leave Pay
  • 11 Paid Holidays
  • 401(k) plan with 6% Company Contribution
  • Generous Professional Development Program
  • 100% Employer paid Short- and Long-Term Disability
  • 100% Employer paid Life Insurance
  • Supplemental Whole Life Insurance
  • Lucrative Referral Bonus Program
  • Annual Allowance for ANS Swag
  • Potential for Paid Overtime
  • Flexible Work Schedules
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