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SOSi

Defense, intelligence, and logistics solutions provider

Senior Network Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeHonolulu, HI, USA$110.3k - $148.9k /yr

About the Job

Requirements

  • An active in-scope Top Secret clearance with SCI eligibility.
  • A bachelor's degree in IT, Networking, or a similar field, or at least 8 years of experience in enterprise IT network engineering and operations involving complex classified Department of Defense environments and mandatory security controls such as Security Technical Implementation Guidelines.
  • At least 5 years of experience implementing and supporting Layer 3 networking.
  • Extensive experience with Cisco routing and switching products.
  • Prior experience implementing and supporting Department of Defense secure network environments, including firewalls, encryption and Secure Sockets Layer (SSL), network separation, virtual local area networks (VLANs), tunnels, and TACLANEs.
  • At least 3 years of firewall experience, with strong familiarity with firewall implementation, routing, protocol analysis, and troubleshooting.
  • Compliance with Department of Defense 8570 IAT-II, demonstrated through Security+ CE, CCNA, CND, CySA+, GICSP, GSEC, or SSCP.
  • Cisco Certified Network Professional (CCNP) Enterprise or Security certification.
  • Prior experience with National Security Agency Commercial Solutions for Classified (CSfC) requirements, including Multi-Site Connectivity Capability Package (MSCCP) and Mobile Access Capability Package (MACP).
  • Prior experience with Cross Domain Solutions (CDS) and/or Defense Information Systems Agency (DISA) Trusted Network Environment (TNE).
  • Ability to support 24/7 operations, including exercises, when necessary.
  • Ability to follow instructions and work independently and within a distributed team.
  • Ability to communicate effectively verbally and in writing.
  • Strong planning and time-management skills.
  • Willingness to participate and assist in a customer-service-oriented role.

Responsibilities

  • Serve as a subject matter expert for network and transport initiatives, including LAN, BAN, and WAN, within the customer's area of responsibility.
  • Conduct network systems analysis and make recommendations.
  • Configure Layer 2 and Layer 3 devices and implement approved changes on production enterprise and data center networks.
  • Coordinate and participate in customer IT architecture and engineering efforts with Systems Engineering, Systems Operations, Network Operations, and the Enterprise Service Desk teams.
  • Design, develop, and implement approved LAN/WAN and cryptographic architectures to support data integration plans; determine functional testing strategies and document results.
  • Design, develop, and implement National Security Agency-approved Commercial Solutions for Classified capability packages and approved encryption methods.
  • Configure, support, and troubleshoot External Border Gateway Protocol (eBGP) routing in a Palo Alto environment.
  • Provide Tier 3 support for network-related issues.
  • Review and troubleshoot network, transport, and protocol-related issues.
  • Serve as an incident escalation point and provide coverage.
  • Develop, document, and standardize network configurations.
  • Conduct network discovery and assessment by inventorying and identifying network architecture and components, including devices, IOS versions, device capabilities and configurations, IP addresses and subnets, VPNs, circuit information, and WAN protocols.
  • Use scripts and related network tools to automate data collection of networking components and relevant network device configurations.
  • Coordinate internal and external resources for network and secure transport engineering initiatives.
  • Review customer requirements and recommend solutions, including lists of materials, proposals, solution diagrams, implementation timelines, and supporting documents.
  • Interact with circuit providers such as DISA and coordinate required circuit actions.
  • Maintain the integrity and security of network devices and systems in accordance with Department of Defense Security Technical Implementation Guidelines (STIGs).
  • Review work efforts and implementations and contribute to analysis and after-action reports.
  • Regularly collect and summarize relevant network accomplishments, issues, and concerns.
  • Complete activity reports in accordance with contract requirements.
  • Ensure compliance in the custody and ownership of government equipment and related components.
  • Participate in related solution technologies and special projects as required.

Desired Qualifications

  • Cisco Certified Internetwork Expert (CCIE) certification or higher.
  • Additional information technology certifications in relevant technology platforms, such as Cisco, Citrix, Dell, HPE/Aruba, ITIL, Juniper, Microsoft, Nutanix, Palo Alto, or VMware.
  • Prior experience with Palo Alto Network Security Platform and/or Cisco Secure portfolio.
  • Prior experience with Forcepoint, Brocade, and/or Juniper technologies.
  • Familiarity with Zero Trust Architecture (ZTA).
  • Familiarity with virtual desktop infrastructure (VDI), virtual environments, and solutions such as VMware Horizon and Citrix VDI.
  • Familiarity with hyperconverged infrastructure (HCI), multifactor authentication (MFA), and command and control (C2) applications.
  • Experience with ITIL framework and best practices, including change management, configuration management, and capacity planning.
  • Prior help desk or software experience, such as Jira, Remedy, or ServiceNow.

About the Company

SOSi

Defense, intelligence, and logistics solutions provider

SOSi provides defense and government solutions, delivering data science, software, network engineering, ISR, language services, and logistics to government customers across 16+ countries. Its offerings include data-centric, zero-trust networks, AI-powered intelligence platforms, and cloud-native solutions that help U.S. and allied forces operate and decide. The company differentiates itself through founder-led leadership, a large veteran workforce, and a technology-first approach that combines engineering with mission delivery in national security contexts. Its goal is to provide trusted, mission-ready technology and support that strengthen the capabilities of U.S. and allied forces wherever they operate.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
New York City, New York
Founded
1989

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