Senior Security Systems Engineer

Nyla Technology Solutions•Annapolis Junction, MD

About The Position

We are seeking a versatile, mission-focused Systems Engineer & Systems Administrator with strong automation and security compliance experience to join a tight-knit, high-impact team. In this role, you will safeguard the integrity, performance, and security posture of critical client/server environments and network infrastructure. You will bridge traditional system administration with modern infrastructure automation—managing cross-platform Windows/Linux systems, maintaining containerized services, configuring network devices, and ensuring strict compliance with security protocols. Working directly alongside end-users and customer stakeholders, you will bring exceptional problem-solving and proactive communication to keep high-priority defense systems resilient and battle-ready.

Requirements

ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED
Comprehensive administration and engineering experience across both Linux and Windows environments in mission-critical client/server setups.
Deep understanding of security compliance frameworks, baseline hardening, security protocol enforcement, and vulnerability patching.
Hands-on experience configuring and maintaining networking devices (Cisco, Juniper, Arista) alongside core network services, Active Directory, LDAP, Centrify, and Group Policy.
Practical familiarity with system administration automation techniques, containerization technologies, and Kubernetes orchestration environments.
Proven ability to troubleshoot complex system issues, articulate technical challenges, and escalate critical risks effectively to leadership and customer stakeholders.
Bachelor’s Degree in Computer Science, Computer Engineering, Software Engineering, or a related technical discipline, PLUS 7 + years of professional software development experience OR High School Diploma / GED , PLUS 11 + years of hands-on technical software engineering experience in lieu of a degree.

Nice To Haves

Experience using automation platforms (e.g., Ansible, Puppet, Terraform) to streamline configuration management and infrastructure deployments.
Familiarity with virtualized infrastructure (e.g., VMware) and cloud-hosted enterprise workloads.
Experience working within Agile frameworks and using Atlassian tools (Jira, Confluence) to manage operational tasks and system tickets.

Responsibilities

Safeguard the integrity, performance, and security posture of critical client/server environments and network infrastructure.
Bridge traditional system administration with modern infrastructure automation.
Manage cross-platform Windows/Linux systems.
Maintain containerized services.
Configure network devices.
Ensure strict compliance with security protocols.
Troubleshoot complex system issues.
Articulate technical challenges.
Escalate critical risks effectively to leadership and customer stakeholders.