Network Engineer
Listed on 2026-10-10
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IT/Tech
Cybersecurity, Network Engineer, Network Security
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Sigmatech is seeking an enthusiastic, well-qualified Network Engineer responsible for ensuring the stable, secure, and reliable operation of the National Security Space Institute's (NSSI) network infrastructure. The Network Engineer will design, implement, maintain, and manage NSSI network systems to ensure optimal performance, availability, and reliability.
The ideal candidate will have a strong background in network engineering, network security, and troubleshooting, with a demonstrated ability to identify and resolve complex network issues.
Job responsibilities for this position include:
- Design, configure, implement, and maintain network infrastructure, including routers, switches, firewalls, and other network devices.
- Implement and manage network security measures to protect systems against threats, vulnerabilities, and unauthorized access.
- Monitor network performance and troubleshoot connectivity, performance, and availability issues to ensure optimal operation and minimize downtime.
- Collaborate with Information Technology (IT) personnel and organizational stakeholders to design and implement network solutions that meet mission and operational requirements.
- Conduct network capacity planning and recommend hardware, software, and infrastructure upgrades as needed.
- Document network configurations, changes, procedures, and technical solutions to support continuity, troubleshooting, and compliance requirements.
- Provide technical support, guidance, and mentorship to junior network staff and other IT personnel.
- Stay current with industry trends, cybersecurity requirements, and emerging network technologies to recommend improvements and innovative solutions.
Experience and Skills
Tasks:
- Configure and optimize network hubs, routers, switches, and related network devices, including higher-level protocols and tunneling technologies.
- Develop, implement, and maintain network backup and recovery procedures.
- Diagnose and resolve network connectivity issues.
- Install, configure, and maintain network device operating system software, including IOS, firmware, and related updates.
- Install, replace, and upgrade network hubs, routers, switches, and other network infrastructure devices.
- Monitor network capacity, availability, and performance.
- Identify and remediate network vulnerabilities to safeguard information systems from unauthorized access and external threats.
- Test, troubleshoot, and maintain network infrastructure, including hardware and software components.
Skills:
- Skill in analyzing network traffic, capacity, availability, and performance characteristics.
- Skill in implementing and testing network infrastructure…
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