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System Engineer, Level 3
Independent Software, Inc.Annapolis Junction, MD, United Statesfull_timeVerifiedPosted 24 Dec 2025
About the role
What You Will Do:
As a Systems Engineer, you will support the administration, automation, and security compliance of critical client/server environments. You will be responsible for maintaining system integrity, performance, and security while working closely with users, customers, and a small, mission-focused engineering team. This role requires strong technical depth in systems engineering and administration, along with excellent problem-solving, communication, and escalation skills.
Key Responsibilities:
- Support systems engineering and system administration activities across secure client/server environments.
- Maintain system integrity, availability, performance, and security in both Windows and Linux environments.
- Implement and support automation and operational improvements to enhance system reliability and efficiency.
- Ensure systems comply with security requirements, policies, and compliance standards.
- Administer and support identity and access management services, including Active Directory, LDAP, Centrify, Group Policy, and core network services.
- Manage system patching, vulnerability remediation, and secure configuration baselines.
- Support containerized and orchestrated environments, including Kubernetes-based deployments.
- Troubleshoot complex system and network issues and escalate risks, outages, or security concerns to management as required.
- Work closely with users and customers to resolve issues and support mission requirements.
- Strong systems engineering and system administration experience.
- Demonstrated knowledge of security compliance principles and secure system operations.
- Strong understanding of enterprise networking devices and technologies, including Cisco, Juniper, and Arista.
- Hands-on system administration experience in both Windows and Linux environments.
- Familiarity with containerization technologies and orchestration platforms such as Kubernetes.
- Experience administering identity and access management technologies, including Active Directory, LDAP, Centrify, Group Policy, and network services.
- Strong knowledge of security protocols, system hardening, patching, and vulnerability management.
- Excellent communication skills, including the ability to clearly document issues and escalate technical risks or incidents to management.
One of the following combinations is required:
- Bachelor’s degree in a qualified engineering field or a related discipline from an accredited college or university, plus six (6) years of systems engineering experience; or
- High School Diploma or GED, plus ten (10) years of general systems engineering experience across any process area; or
- Master’s degree in a qualified engineering field or a related discipline from an accredited college or university, plus four (4) years of systems engineering experience; or
- PhD in a qualified engineering field or a related discipline from an accredited college or university, plus two (2) years of systems engineering experience.
Related disciplines include, but are not limited to: Chemistry, Computer Science, Information Systems, Mathematics, and Physics. Comparable or closely related degrees will be considered.
Clearance Requirement:
- Must possess an active TS SCI with appropriate Polygraph to be considered for this role
At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.
When you join us, you will:
- Support critical national security missions that matter <
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