Systems Engineer

Overview

L2T is seeking a motivated and technically skilled Systems Engineer to support the design, integration, implementation, and sustainment of complex information technology and mission-support systems. The Systems Engineer will play a key role in translating customer requirements into technical solutions, supporting system architecture development, and ensuring reliable performance across hardware, software, networking, and cloud-based environments. This position requires strong analytical and problem-solving abilities, a collaborative mindset, and the ability to work across multidisciplinary teams to deliver secure, scalable, and mission-focused solutions for our customers. Key Responsibilities:

• Serve as a senior technical resource and escalation point for complex production issues
• Perform advanced troubleshooting and root cause analysis across systems, networks, applications, and services
• Design, implement, maintain, and optimize enterprise Linux systems and network infrastructure
• Architect and support scalable, secure, and highly available infrastructure solutions
• Lead automation initiatives using SaltStack and other infrastructure automation tools
• Engineer and maintain Cisco and Juniper network environments to meet performance, security, and reliability requirements
• Administer and support identity management services, including FreeIPA/IPA
• Develop and maintain infrastructure standards, documentation, and operational procedures
• Evaluate emerging technologies and make recommendations for infrastructure improvements and modernization
• Ensure systems and networks meet or exceed security, compliance, and operational standards
• Mentor junior engineers and foster technical growth across the team
• Collaborate with customers, stakeholders, and engineering teams to develop solutions that meet current and future business requirements
• Participate in architecture reviews, capacity planning, disaster recovery planning, and continuous improvement initiatives

The ideal candidate is a hands-on senior engineer with deep Linux and networking expertise, strong automation skills, and a proven ability to solve complex infrastructure challenges. They possess a strong engineering mindset, thrive in highly technical environments, and are passionate about building reliable, scalable, and secure systems. Cloud experience is a plus but not required.

Responsibilities

• 10+ years of experience in Systems, Network, or Infrastructure Engineering
• Expert-level knowledge of Linux administration in enterprise or mission-critical environments
• Strong understanding of Linux internals, including system calls, processes, memory management, filesystems, and performance tuning
• Experience designing, implementing, and supporting complex enterprise infrastructure environments
• Hands-on experience with SaltStack (Salt) and infrastructure automation
• Experience administering identity and access management solutions, including FreeIPA/IPA
• Strong networking expertise, including:
  • TCP/IP, DNS, DHCP, VLANs, VPNs
  • Routing and switching technologies
  • OSPF, BGP, policy-based routing, and network security
  • Cisco and Juniper network platforms
• Experience with virtualization technologies, hypervisors, and virtual desktop infrastructure (VDI)
• Strong scripting and automation skills using Bash, Python, or similar languages
• Experience developing and maintaining secure, hardened system and network configurations
• Demonstrated ability to troubleshoot complex issues across operating systems, network infrastructure, applications, and distributed systems
• Excellent written and verbal communication skills