Tier 3 System Administrator – TS/SCI with Polygraph

General Dynamics Information Technology, Inc.; Aurora (CO); On-site; USD 111,000 - 150,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Linux/Microsoft Systems Administrator for a Federal Intelligence Agency contract in Aurora, CO.

The role focuses on Tier II support within a hybrid Windows & RHEL environment, managing enterprise-scale infrastructure and ensuring system reliability across multiple security enclaves. Candidates must hold TS/SCI with Polygraph and meet IA requirements; DoD 8570 CE training within six months is expected.

Qualifications

• Bachelor’s degree in Computer Science, Engineering or related discipline or equivalent
• 5+ years of related systems administration experience
• TS/SCI with Polygraph is required to start
• DoD 8570 CE Training within 6 months of hire
• DoD IA certifications such as Security+ CE or SSCP or CCNA-Security required to start
• Experience with AD, DNS, DHCP, LDAP, Windows 10, Server 2012/2016; Linux familiarity

Responsibilities

• Provide Tier II support and administer Windows and Linux workstations
• Troubleshoot application functionality, crashes and performance issues
• Investigate user performance and coordinate improvements with teams
• Assist customers with incident resolution for Linux and Windows apps
• Provide remote end user desktop support
• Identify, analyze, and resolve system incidents with short-term workarounds and long-term fixes
• Communicate effectively with teams and stakeholders
• Participate in special projects as needed

Skills

Linux

Windows

System Administration

Active Directory

DNS

DHCP

LDAP

ITIL

ServiceNow

PowerShell

VMware

Citrix

Networking

JAVA

Outlook

Excel

Word

Education

Bachelor's Degree in Computer Science or related

Tools

SCCM

VMware UEM

Microsoft Exchange

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Linux, Microsoft Windows, System Administration Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes

Job Description: General Dynamics Information Technology (GDIT) is seeking a Linux/Microsoft Systems Administrator to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the Systems Administrator will enhance their skill set among a talented and technically accomplished group of colleagues. Primary responsibilities include providing Tier II support of maintaining multiple large Enterprise environment. The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) environment.

Job Responsibilities & Duties

• System Administrative Advisory duties to include management of Windows and Linux workstations on EVDI and physical
• Troubleshooting application functionality, crash and performance
• Investigate user performance and work with external teams to improve user experience
• Assist customers with Tier 2 incident resolution for Linux and windows applications
• Provide remote end user desktop support
• Identifies, analyzes, and resolves system incidents with both short-term workarounds and long-term solutions
• Responds to escalated service desk/team requests
• Communicate effectively (in oral and written form) with a variety of individuals; work well within small and large team environments
• Willingness to provide initial triage, response, and notifications for incidents
• Participates in special projects as required

Qualifications

• Bachelor's Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
• 5+ years of related systems administration experience
• TS/SCI with Polygraph is required to start
• Candidate must possess an appropriate and current Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security required to start
• CompTIA Security+ CE Certification is the preferred certification
• In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Training within six (6) months of Hire Date
• Successful candidates are expected to have related experience and knowledge/understanding of:
  • Active Directory Administration
  • DNS
  • DHCP
  • DFS
  • LDAP
  • Windows 10
  • Server 2012
  • Server 2016
  • Application Troubleshooting such as Outlook, Excel, Word, JAVA, Internet Explorer
  • Linux Operating system
  • Understanding of ServiceNow, NETS or other ticketing process
  • ITIL v3 or higher

The following knowledge/skill set is not required but is a plus

• Microsoft System Center Configuration Manager
• PowerShell
• Virtualization Environments (VMware, Citrix)
• Profile management utilizing the VMware User Experience Management (UEM) toolset
• Microsoft Exchange
• Telephone/Video support
• Networking
• Familiarity with site specific customer and mission

GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities

Support: An internal mobility team focused on helping you achieve your career goals

Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $110,500 - $149,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40 Travel Required: None Telecommuting Options: Onsite Work Location: USA CO Aurora Additional Work Locations:

Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.

To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

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