Systems Engineer

About this role

Overview L2T, LLC is a fast-growing, high-tech, mission-driven company based in Herndon, Virginia that prides itself on delivering technical and mission-related solutions that allow our customers to succeed in achieving their most challenging goals.

We are a close-knit team of highly motivated and skilled individuals that are focused on a commitment to facing the most complex and difficult efforts head-on with a balance of creativity and discipline, and an unwavering nerve. Our Team embraces the concept that the sky's the limit. Regardless of where you are in your career, our goal is to work with you to refine your skills, add to your technical tool belt, and aid you in your growth as a professional.  We offer growth opportunities such as leadership training, industry conferences, and mentorship from experienced, passionate individuals.

Candidates must be able to hold and maintain a security clearance, therefore U.S. citizenship is required.

Responsibilities

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

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

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.

Qualifications

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

Education

A relevant college degree and/or practical experience, commensurate with the position you are seeking

Our Benefits

401(k) match of 6% with immediate vesting

Highly subsidized Health, Dental, and Vision insurance

Legal Resources Plan

Vacation, personal/sick leave (not combined as Paid Time Off)

10 Federal Holidays

Life insurance, short and long-term disability coverage paid by the company

Free sodas and snacks

Company sponsored weekly breakfast or lunch

Awesome holiday parties and a fun family picnic

Participation in several charitable events

Compensation

We believe in paying fairly and competitively based on the value each team member brings to the role. Individual compensation is determined by factors such as skills, experience, education, certifications, location, and market data. The anticipated salary range for this position is $170,000 – $200,000 annually.

We are proud to be an Equal Opportunity Employer and do not discriminate based on race, religion, gender, national origin, color, age, military service eligibility or veteran status, disability, sexual orientation, gender identity, marital status, or any other protected class. We encourage and support workplace diversity.