Network Engineer: Growth, Mentorship & Impact

Egreenservices; Newark (NJ); On-site; USD 99,000 - 147,000; Full time

Job summary

Citigroup in Newark, NJ is seeking a mid-level Network Engineer with a hands-on focus on VPN configuration, TCP/IP, and security. You will mentor teammates, collaborate with QA, and help shape how the technology team operates while delivering secure, scalable network solutions.

The position offers structured mentorship and a salary range of $99,000 to $147,000 per year, with opportunities to grow into leadership as you deepen expertise in network security and performance monitoring.

Qualifications

• Mentor or support mid-level teammates.
• Team player who lifts up colleagues and shares credit.
• Real proficiency with Penetration Testing, plus willingness to learn Wireshark fast.
• At least 3 years building expertise within the technology space.
• Meticulous attention to detail across every deliverable.

Responsibilities

• Profile Wireshark memory use and chase down the leaks crashing Newark nodes
• Ship CompTIA Security+ fixes to Citigroup customers in Newark, NJ the same day they report them
• Slice the solutions-focused technology monolith into Wireshark services Newark, NJ can deploy alone
• Translate VPN Configuration metrics into the one chart Citigroup leadership checks each morning
• Push Penetration Testing changes safely behind flags so Newark, NJ rollbacks take seconds
• Champion engineering excellence and continuous learning within Citigroup
• Partner with QA to define test coverage and catch regressions early

Skills

Mentoring

Teamwork

Penetration Testing

TCP/IP

Tools

Wireshark

Job description

Citigroup in Newark, NJ is seeking a mid-level Network Engineer with a hands-on focus on VPN configuration, TCP/IP, and security. You will mentor teammates, collaborate with QA, and help shape how the technology team operates while delivering secure, scalable network solutions.

The position offers structured mentorship and a salary range of $99,000 to $147,000 per year, with opportunities to grow into leadership as you deepen expertise in network security and performance monitoring.