Senior IT Systems Engineer/Administrator

Phoenix Data Corporation

IT Systems Engineer specializing in Windows-based infrastructure for clients in regulated industries. Design, implement, and maintain secure systems while optimizing Active Directory and network components.

Posted 6/18/2026full-timeIndianapolis • 🇺🇸 United StatesSenior💰 $65,000 - $98,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityDNSFirewallsVMware

About the role

Key responsibilities & impact

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.
Mentor junior engineers and contribute to continuous improvement initiatives.

Requirements

What you’ll need

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.
Certifications such as CISSP, Security+, Network+, CCNA, VMware VCP preferred.
Familiarity with compliance frameworks such as FISMA, FedRAMP, HIPAA, NIST, Zero Trust, CMMC preferred.
Active Security Clearance preferred.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Phoenix Data Corporation Website LinkedIn All Job Openings 51 - 200 employees Founded 2001 🏛️ Government 🔒 Cybersecurity 🏢 Enterprise Government
Cybersecurity
Enterprise Phoenix Data Corporation is a provider of data and records management, certified federal data center and cloud hosting, and IT/engineering services focused on secure, compliant solutions. The company offers records modernization, data/document management, cloud hosting with federal certifications, health care technologies, engineering and information technology services, workforce training, and call center operations. Phoenix serves military, government, healthcare, and commercial clients and emphasizes security, national compliance certifications, and adaptable technical expertise. Senior IT Systems Engineer/Administrator Job not on LinkedIn 🔥 1 hour ago 🏢 Indianapolis – Onsite 💵 $65k - $98k / year ⏰ Full Time 🟠 Senior ⚙️ Systems Engineer Cyber Security DNS Firewalls VMware Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
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.
Mentor junior engineers and contribute to continuous improvement initiatives. 🎯 Requirements
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.
Certifications such as CISSP, Security+, Network+, CCNA, VMware VCP preferred.
Familiarity with compliance frameworks such as FISMA, FedRAMP, HIPAA, NIST, Zero Trust, CMMC preferred.
Active Security Clearance preferred. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Linux Systems Engineer 🕒 January 23 Hearst Health 1001 - 5000 ⚕️ Healthcare Insurance ☁️ SaaS 🏢 Enterprise Website LinkedIn All Job Openings Linux Systems Engineer responsible for the reliability and performance of FDB's Linux systems. Supporting AWS/Azure environments while maintaining server stability and troubleshooting system issues. 🏢 Indianapolis – Onsite 💵 $110k - $120k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior ⚙️ Systems Engineer AWS Azure Cloud DNS Firewalls Linux Python TCP/IP View More Systems Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

Windows-based infrastructureActive DirectoryGroup PolicyDNSDHCPnetworking componentsfirewallsvirtualization technologiescybersecurity controlsendpoint protection

Soft Skills

documentation skillscommunication skillsmentoringcollaborationcontinuous improvement

Certifications

CISSPSecurity+Network+CCNAVMware VCP