Mid-Level Systems Engineer

Job Description

Job Description

Join a collaborative engineering team in the Tysons Corner, VA area supporting critical infrastructure and applications across enterprise environments. We are seeking a mid-level Systems Engineer to help design, implement, and maintain secure, high-performing systems while supporting modern DevOps and automation practices.

This role is responsible for maintaining application infrastructure across multiple networks, ensuring systems meet security compliance requirements, and supporting operational reliability. The position also includes participation in a 24/7 on-call rotation .

Key Responsibilities

• System Design & Implementation: Design, install, configure, and test operating systems, application software, and system management tools
• Monitoring & Maintenance: Proactively monitor system performance, identify bottlenecks, and implement solutions to ensure high availability and reliability
• Security & Compliance: Implement and maintain security controls, ensuring systems meet compliance requirements and best practices
• Backup & Recovery: Develop and maintain backup strategies and disaster recovery plans
• Automation & Scripting: Create and maintain scripts to automate processes and improve system efficiency
• Troubleshooting: Diagnose and resolve complex issues across hardware, software, and network environments
• Collaboration: Partner with developers, engineers, and stakeholders to gather requirements and deliver effective solutions
• Documentation: Maintain clear and detailed documentation for system architecture, configurations, and operational procedures
• Technology Evaluation: Research and recommend new tools, technologies, and system enhancements

Required Qualifications

• 2+ years of experience in systems engineering, DevOps, or related technical roles
• Experience configuring and maintaining CI/CD pipelines and automated testing tools
• Strong knowledge of Linux/Unix environments
• Experience with version control systems (e.g., Git)
• Proficiency in scripting languages such as Python, Bash, or similar
• Familiarity with Agile development methodologies
• Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics)

Preferred Qualifications

• Experience with Infrastructure as Code (IaC) tools such as Terraform or Ansible
• Familiarity with containerization technologies (e.g., Docker, Kubernetes)
• Experience with testing frameworks and automation tools

Position Clearance Requirement:

TS/SCI with FSP

Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

We win with inclusion

NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: View email address on us.fitly.work.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.