SME- Network Security Engineer

Unisys; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Unisys is seeking a Senior Network & Security Engineer to design, implement, and support enterprise security across on‑prem and multi‑cloud environments. You own secure connectivity, load balancing, and perimeter security—from Cisco ASA VPN to Palo Alto policies—and play a key role in threat detection, incident response, and security architecture improvements.

You will develop security diagrams, tooling for automation, perform trend analyses, and deliver presentations to stakeholders.

Qualifications

• Experience designing and implementing enterprise network security.
• Strong knowledge of VPNs, NAT, and IPsec configurations.
• Hands-on with Palo Alto and Cisco ASA environments; firewall policy management.
• Experience with cloud networking on AWS/Azure and load balancers.
• Proven incident response and threat detection capabilities.

Responsibilities

• Design, implement, and support security architecture across on‑prem and multi‑cloud.
• Develop security alerts and automation tooling for threat detection and remediation.
• Lead threat analyses and present findings to stakeholders.
• Assist during security incidents to deploy controls and eradicate threats.
• Perform transitions and migrations of network/security infra; review security policies.

Skills

Network security

VPN configuration

Firewall policy design

IPsec troubleshooting

Load balancer config

Threat detection

Incident response

Cloud networking

Education

Bachelor's degree in CS/IT or related

Tools

Cisco ASA

Big-IP LTM

Palo Alto Panorama

Palo Alto firewalls

AWS networking

Azure networking

AWS ALB/WAF

AWS CloudFront

Job description

What success looks like in this role:About the RoleWe are looking for a Senior Network & Security Engineer to design, implement, and support enterprise network security infrastructure across on-premises and multi-cloud environments. This role owns the full lifecycle of secure connectivity, load balancing, and perimeter security — from Cisco ASA VPN and Palo Alto firewall policy to AWS/Azure network security — and plays a key role in threat detection, incident response, and security architecture improvements.Key ResponsibilitiesCreates and updates security architecture diagrams and processes utilizing industry-standard frameworks.Develops new security alerts and tooling for automation to detect, respond to, and remediate threats.Performs cybersecurity engineering trend analyses and reporting, defining and recommending tool, infrastructure, and other improvements.Delivers presentations on the results of analyses and recommendations to key stakeholders.Provides assistance during security incidents to implement controls and eradicate cybersecurity threats.Performs transitions, implementations, and migrations of network and security infrastructure.Proposes and helps review plans and policies to improve the overall security environment.Required Technical SkillsCisco ASAAnyConnect and Site-to-Site VPN configuration and troubleshootingNAT (Network Address Translation) policy design and implementationBGP routing configuration and troubleshooting on ASAF5 BIG-IP Load BalancerLTM (Local Traffic Manager) configuration and administrationSSL/TLS certificate managementiRules development and configurationPalo Alto Networks Firewall & PanoramaSecurity policy management across Palo Alto firewalls and PanoramaAdvanced troubleshooting of firewall and traffic issuesIPsec tunnel configuration and troubleshootingMonitoring & Service ManagementSite24x7 monitoring toolsServiceNow knowledge (incident, change, and knowledge management)Cloud Networking & Security (AWS / Azure)Deep working knowledge of AWS and Azure networking and network securityAWS Application Load Balancer (ALB) configuration and certificate managementAWS CloudFront and WAF (Web Application Firewall) knowledgePreferred CertificationsCisco CCNP Security (or equivalent ASA/VPN experience)F5 Certified Technology Specialist (LTM)Palo Alto Networks PCNSEAWS Certified Advanced Networking – Specialty or Azure Network Engineer AssociateYou will be successful in this role if you have:QualificationsBachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.8+ years of hands-on experience in enterprise network and security engineering.Strong written and verbal communication skills, with the ability to present findings and recommendations to technical and non-technical stakeholders.Proven experience supporting production environments during incident response and change windows, including off-hours support as needed.Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [e-mail] . US job seekers can find more information about Unisys’ EEO commitment here .