InfoSec Engineer Consultant – TCP or IP, Subnet, DNS, Firewall

Optum

10 - 12 years

Gurugram

Posted: 17/06/2025

Job Description

About the Role:
We are seeking a highly skilled and motivated Senior Security Operations Engineer to join our dynamic cybersecurity team. In this role, you will work across diverse teams and environments to ensure the security and integrity of our systems and networks. You will be responsible for threat hunting, vulnerability management, and integrating security solutions across our infrastructure. Primary Responsibilities:
Collaborate with cross-functional teams to diagnose and resolve security product issues related to network connectivity, port mirroring, SNMP, and other integrations.
Conduct investigations into suspicious or malicious activities and coordinate with internal and external security teams to remediate threats.
Leverage threat intelligence to proactively identify and mitigate potential security risks.
Monitor daily security alerts, investigate anomalies, and address top vulnerabilities in collaboration with internal and acquired entity (AE) security teams.
Deploy, maintain, and support security products across corporate and AE environments.
Manage security-related projects and timelines effectively.
Coordinate with vendors for product demos, enhancements, and patch management.
Prepare and present detailed security reports to internal stakeholders.
Ensure accurate and secure network configurations.
Stay current with emerging security technologies and trends. 

About the Role:
We are seeking a highly skilled and motivated Senior Security Operations Engineer to join our dynamic cybersecurity team. In this role, you will work across diverse teams and environments to ensure the security and integrity of our systems and networks. You will be responsible for threat hunting, vulnerability management, and integrating security solutions across our infrastructure. Primary Responsibilities:
Collaborate with cross-functional teams to diagnose and resolve security product issues related to network connectivity, port mirroring, SNMP, and other integrations.
Conduct investigations into suspicious or malicious activities and coordinate with internal and external security teams to remediate threats.
Leverage threat intelligence to proactively identify and mitigate potential security risks.
Monitor daily security alerts, investigate anomalies, and address top vulnerabilities in collaboration with internal and acquired entity (AE) security teams.
Deploy, maintain, and support security products across corporate and AE environments.
Manage security-related projects and timelines effectively.
Coordinate with vendors for product demos, enhancements, and patch management.
Prepare and present detailed security reports to internal stakeholders.
Ensure accurate and secure network configurations.
Stay current with emerging security technologies and trends. Required Qualifications:
6–10 years of experience in the IT industry with a focus on cybersecurity.
Strong background in threat hunting and suspicious activity investigation.
Experience in vulnerability management and remediation.
Basic networking knowledge (TCP/IP, SPAN/TAP, DNS, subnetting, firewalls, ACLs, routing, switching).
Experience integrating security products with tools like Active Directory, Tanium, and Tenable.
Familiarity with cloud security principles.
Understanding of East-West and North-South traffic flows and data center networking.
Hands-on experience with SIEM tools, preferably Splunk, and log analysis.
Proven ability to troubleshoot and resolve security issues.
Strong documentation skills (SOPs, process documents, reports).
Excellent communication skills with the ability to explain technical concepts to non-technical stakeholders.
Demonstrated teamwork and collaboration skills. Preferred Qualifications:
Certifications such as CEH, CompTIA Security+, Network+, or Cisco CCNA.  

About Company

Optum is a leading health services and innovation company, part of UnitedHealth Group. It combines data, technology, and clinical expertise to improve healthcare delivery, reduce costs, and enhance outcomes. Optum operates across three core areas: OptumHealth (care delivery), OptumInsight (data and analytics), and OptumRx (pharmacy care services), serving millions of individuals, employers, and healthcare organizations globally.

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