Senior IT Systems Engineer/Administrator

Phoenix Data Corporation, Inc.

$90K — $120K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7-10 years of experience in IT infrastructure roles supporting secure environments
  • Deep knowledge of Active Directory architecture and troubleshooting
  • Extensive experience in network design, configuration, and diagnostics
  • Proven expertise in virtualization technologies and resource optimization
  • Strong background in desktop and server support in enterprise settings
  • Solid understanding of cybersecurity principles and threat mitigation
  • Experience supporting regulated industries like Federal, Financial, and Utilities

Responsibilities

  • Design, implement, and maintain secure Windows-based infrastructure
  • Manage and optimize Active Directory, DNS, DHCP, and Group Policy
  • Configure and troubleshoot networking components including firewalls and routers
  • Deploy and manage virtualization platforms effectively
  • Provide support for desktop, server, and network issues
  • Implement and monitor cybersecurity controls and vulnerability management
  • Document system configurations and incident reports

Benefits

  • Full-time employment in a stable work environment
  • Opportunity to work in highly regulated industries
  • Continuous learning and mentoring opportunities
  • Potential for contributing to significant compliance-related initiatives
  • A chance to work in a team supporting critical infrastructure projects
Full Job Description
Job Title: Senior IT Systems Engineer

Location: On-Site Shadeland / Indianapolis Indiana

Employment Type: Full-Time

Clearance Level: Current Government Security Clearance Preferred

Citizenship: U.S. Citizenship is Required

We are seeking a seasoned IT Systems Admin / Engineer with expertise in Windows-based environments, Active Directory, Networking, Virtualization, Desktop Support, and Cybersecurity. This role supports clients in highly regulated industries such as Federal Government, Financial Services, Utilities & Energy.

Key Responsibilities
• Design, implement, and maintain secure Windows-based infrastructure across client environments.
• Manage and optimize Active Directory, including Group Policy, DNS, DHCP, and domain trusts.
• Configure and troubleshoot networking components (firewalls, switches, routers, VPNs).
• Deploy and manage virtualization platforms.
• Provide support for desktop, server, and network issues for both customers and internal stakeholders
• Implement and monitor cybersecurity controls, including endpoint protection, SIEM, and vulnerability management.
• Collaborate with and support the Compliance Officer in preparation for and administration of both customer-led compliance audits and internal audit activity.
• Document system configurations, procedures, and incident reports.
• Experienced in M365 / O365 Administration
• Mentor junior engineers and contribute to continuous improvement initiatives.

Required Qualifications
• 7 - 10 years of experience in IT infrastructure roles supporting secure environments.
• Deep knowledge of Active Directory architecture and troubleshooting.
• Extensive experience in network design, configuration, and diagnostics.
• Proven expertise in virtualization technologies and resource optimization.
• Strong background in desktop and server support in enterprise settings.
• Solid understanding of cybersecurity principles and threat mitigation.
• Experience working in or supporting regulated industries (Federal, Financial, Utilities).
• Excellent documentation and communication skills.
• Must be able to pass a background investigation.

Preferred Qualifications
• Certifications such as CISSP, Security+, Network+, CCNA, VMware VCP.
• Familiarity with compliance frameworks such as FISMA, FedRAMP, HIPAA, NIST, Zero Trust, CMMC
• Active Security Clearance preferred
• Experience with Active Directory, Hyper-V, Citrix, Trend Micro, SIEM

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