Jr. Network Engineer working with Local, Regional, and Global IT Groups at Constellium. Supporting corporate, local, and OT Networks to ensure availability and security.
About the role
- Senior Network Engineer designing, implementing, and supporting enterprise network infrastructure at Ralliant Corporation. Involved in LAN/WAN/WiFi, cloud connectivity, and mentoring junior engineers.
Responsibilities
- Design, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).
- Manage and optimize routing and switching environments (SDWAN,SDA,BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
- Configure and support firewalls, VPNs, and network security controls.
- Lead network upgrades, migrations, and major infrastructure projects.
- Support and troubleshoot network performance issues and outages (root cause analysis).
- Monitor network health using tools like SolarWinds / ThousandEyes (or similar).
- Maintain network documentation: diagrams, IP schema, standards, and runbooks.
- Work with service providers for circuit turn-ups, troubleshooting, and escalations.
- Ensure high availability, redundancy, and disaster recovery readiness.
- Mentor junior engineers and provide technical guidance.
- Participate in on-call rotation and support after-hours maintenance activities.
- Design and support cloud network architecture including:
- AWS VPC / Transit Gateway / Route Tables / NACLs / Security Groups
- Azure VNet / VNet Peering / UDR / NSGs / Cloud Firewall.
Requirements
- Bachelor’s degree in IT/Computer Science or equivalent work experience.
- 7 years of hands-on enterprise network engineering experience.
- Strong knowledge of:
- Routing and switching (Cisco)
- TCP/IP, subnetting, DNS, DHCP, InfoBlox
- WAN technologies (DMVPN, SD-WAN, DIA, broadband)
- Wireless networking (Cisco/Meraki)
- Experience with:
- Firewalls (Palo Alto / Cisco ASA/FTD)
- VPN (site-to-site, remote access)
- Network segmentation and security best practices
- Strong troubleshooting skills using packet capture tools (Wireshark/tcpdump).
- Excellent communication and stakeholder management skills.
Benefits
- Ralliant Corporation is an equal opportunity employer.• We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity or expression, or other characteristics protected by law.• Ralliant is committed to providing reasonable accommodations for applicants with disabilities.
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