Systems Network Engineer II

We are urgently seeking a Systems Network Engineer II to support the design, configuration, integration, and sustainment of secure network infrastructure across distributed computing, cloud, and software environments. This mid-level role will work across on-premises lab and test environments, cloud infrastructure, and distributed platforms to maintain reliable and secure connectivity. The candidate will collaborate with network engineers, cloud and platform teams, cybersecurity personnel, software developers, and other technical stakeholders to troubleshoot network issues, maintain network documentation, implement access controls, and support evolving infrastructure capabilities. The ideal candidate possesses strong foundational networking skills, hands-on troubleshooting experience, and an interest in expanding their expertise across cloud networking, containerized environments, network automation, and modern infrastructure technologies.

Incorporated in 2002, The Marlin Alliance is a digital transformation company dedicated to ensuring our clients compete and win in tomorrow's digital world. We specialize in creating technical solutions that allow for seamless execution of automated business processes and the generation of governed, machine-consumable data. From strategic planning to advanced analytics and cybersecurity, our team provides cutting-edge, cross-disciplinary solutions. We are seeking motivated professionals who share our agile, solution-oriented mindset and are ready to deliver the real, practical results relied upon by our clients.

• →Lead the design, evaluation, acquisition, integration, and deployment of computing hardware and supporting software solutions for enterprise, edge, and mission-focused environments.
• →Lead and coordinate teams of engineers responsible for acquiring, building, configuring, integrating, testing, installing, and sustaining hardware and software solutions at government locations.
• →Develop innovative computing solutions for emerging operational requirements by evaluating small-form-factor computers, mobile servers, workstations, edge computing platforms, and other technologies to address physical and deployment constraints.
• →Support the design and redesign of IT and hardware architectures, including new system implementations, field changes, technology refreshes, upgrades, hardware replacements, and integration with existing infrastructure.
• →Manage engineering schedules, technical tasks, dependencies, hardware acquisition activities, and integration milestones to ensure systems are delivered in accordance with customer and operational requirements.
• →Manage equipment inventories by maintaining hardware accountability, configuration information, lifecycle status, deployment information, and planning inputs for replacement or modernization.
• →Develop and maintain detailed engineering documentation, including hardware designs, system configurations, bills of material, installation procedures, maintenance procedures, technical specifications, and configuration records.
• →Provide senior-level technical guidance to engineers, integration teams, program stakeholders, and operational personnel while troubleshooting complex hardware, software, infrastructure, and system integration challenges.
• →Plan and execute system installations, upgrades, technology refreshes, and new capability implementations while ensuring solutions meet applicable technical, cybersecurity, interoperability, and industry requirements.

• Strong foundational experience in network engineering, network administration, systems networking, infrastructure engineering, or related technical roles.
• Experience configuring, maintaining, and troubleshooting Layer 2 and Layer 3 networks, including switching, routing, VLANs, subnets, and network segmentation.
• Understanding of core networking concepts and protocols, including TCP/IP, DNS, DHCP, routing, ports and protocols, and network addressing.
• Experience configuring or supporting firewalls, ACLs, VPNs, traffic filtering, network access controls, or other network security technologies.
• Experience troubleshooting network connectivity, performance, latency, routing, and configuration issues using network monitoring and diagnostic tools.
• Experience developing or maintaining network diagrams, topology documentation, configuration records, data-flow diagrams, or other network engineering documentation.
• Understanding of cybersecurity principles, network hardening, least-privilege access, vulnerability remediation, and secure network configuration practices.
• Strong analytical and problem-solving skills with the ability to troubleshoot technical issues across networks, systems, applications, and infrastructure.
• Strong written and verbal communication skills with the ability to collaborate effectively with network, cloud, cybersecurity, software, infrastructure, and engineering teams.

• Experience supporting distributed computing, edge computing, robotics, or other complex technology environments.
• Familiarity with AWS, Azure, GCP, or similar cloud platforms and networking constructs such as VPCs/VNets, subnets, route tables, peering, private endpoints, gateways, and cloud security controls.
• Familiarity with enterprise network monitoring and diagnostic technologies such as SNMP, NetFlow/sFlow, Wireshark, packet analyzers, or similar tools.
• Familiarity with Kubernetes and container networking concepts, including Container Network Interfaces (CNIs), Pod-to-Pod communication, Services, Ingress controllers, and containerized microservice connectivity.
• Familiarity with network or infrastructure automation using Terraform, Ansible, Python, Bash, or similar automation and Infrastructure as Code technologies.
• Familiarity with Zero Trust architectures, network segmentation, identity-aware networking, or other modern network security approaches.
• Familiarity with CIS Benchmarks, NIST guidance, STIGs, or other security baselines applicable to network infrastructure.
• Experience supporting hybrid environments connecting on-premises infrastructure, cloud services, distributed computing platforms, and geographically distributed systems.
• Experience supporting regulated, security-sensitive, or other mission-critical network environments.
• Demonstrated ability and interest in expanding technical expertise across cloud infrastructure, container networking, automation, and emerging network technologies.

• Bachelor’s Degree or Equivalent Experience
• Current Security+ Certificate Preferred

• U.S. Citizenship required
• No dual citizenship

• TS/SCI Eligible, security clearance required

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions.

• Typical office environment with no unusual hazards.

• The noise level in the work environment is usually moderate.

• Constant sitting while using the computer terminal.

• Constant use of sight abilities while reviewing documents.

• Constant use of speech/hearing abilities for communication.

• Occasional reaching, stooping, kneeling, or crouching may be required.

• Occasional lifting, up to 20 pounds.

• A constant state of mental alertness.

• Frequent work under deadlines.

• Salary Range: $95,000–$175,000

This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.

To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities.

This document does not create an employment contract, implied or otherwise, other than an "at-will" relationship.

An Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.