Security Systems Engineer

Job Title: Systems Engineer

Location: Vienna, VA

Type: Contract

Work Model: Hybrid – Remote

Hours: 40.0

Security Clearance: Not required 

Responsibilities

• Assist in maintaining IT and enterprise security applications and systems
• Troubleshoot Linux and Windows servers and enterprise applications
• Deploy, optimize, and support enterprise security applications across on-premises, SaaS, and IaaS environments
• Remediate vulnerabilities on Linux and Windows systems, monitor and patch platforms, and manage system stability
• Document engineering processes, procedures, and lessons learned
• Update TLS certificates and respond to audit and hardening requests
• Maintain and update stories and work in flight
• Provide updates in daily operations briefings
• Monitor daily ticket queues, handle incidents, and manage work ingestion
• Perform quarterly access reviews and participate in on-call rotations

• 3+ years of experience in enterprise IT environments with a focus on change management
• 3+ years of experience as a Systems Administrator or similar role
• 3+ years of cybersecurity engineering experience, with understanding of enterprise security practices and PCI-DSS/NCUA compliance preferred
• Experience with infrastructure management processes such as change, problem, and configuration management
• Hands-on experience with Agile methodologies, particularly Kanban workflow
• Experience working in large enterprise environments
• Strong troubleshooting skills for Linux (Centos, Red Hat, Ubuntu, Cisco derivative OS) or Windows Server OS
• Proficiency in patching and upgrading Linux and Windows OS and applications
• Basic scripting skills in Ansible, Python, Bash, PowerShell, or Ruby for automation
• Familiarity with SIEM technology and enterprise network principles including firewall, routing, switching, load balancing, and proxy troubleshooting

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.


System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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