Senior System Engineer: Windows/Linux, Security & Networking

Independent Software, Inc.; Columbia (MD); On-site; USD 90,000 - 140,000; Full time

Job summary

Independent Software, Inc. seeks a System Engineer Level 3 to support administration, automation, performance, and security of critical client/server environments across Windows and Linux.

You will work with a small, mission-focused team communicating with users and stakeholders to ensure reliable operations. The role requires strong troubleshooting, collaboration, and security-focused experience, including patching, AD/LDAP, and containerized environments.

Qualifications

• Bachelor’s degree plus six years of systems engineering experience, or equivalent.
• High School Diploma or GED plus ten years of experience in systems engineering.
• Master’s degree plus four years of systems engineering experience.
• PhD plus two years of systems engineering experience.
• Engineering fields include Computer, Software, Systems, and related disciplines.

Responsibilities

• Engineer, administer, maintain, and troubleshoot Windows and Linux systems.
• Support system administration automation and improvements.
• Maintain system integrity, availability, performance, and security.
• Implement and maintain security compliance requirements.
• Perform system patching and support security configurations.
• Support networking devices and infrastructure (Cisco, Juniper, Arista).
• Administer and troubleshoot Active Directory, LDAP, Centrify, Group Policy, and network services.
• Support Kubernetes and containerized environments.
• Identify and resolve complex system and infrastructure issues.
• Monitor performance and address operational or security concerns.
• Document issues, configurations, and resolutions.
• Communicate issues, risks, and escalations to management.

Skills

Systems engineering

System administration

Windows administration

Linux administration

Security compliance

Networking

Active Directory / LDAP

Kubernetes

Automation

Troubleshooting

Communication

Education

Bachelor's degree in engineering

Master's degree in engineering

PhD in engineering

HS diploma + 10 years experience

Tools

Cisco devices

Juniper devices

Arista devices

Active Directory

LDAP

Centrify

Group Policy

Kubernetes

Job description

Independent Software, Inc. seeks a System Engineer Level 3 to support administration, automation, performance, and security of critical client/server environments across Windows and Linux.

You will work with a small, mission-focused team communicating with users and stakeholders to ensure reliable operations. The role requires strong troubleshooting, collaboration, and security-focused experience, including patching, AD/LDAP, and containerized environments.