Company Name: VARITE India Private Limited

About The Client

An Indian multinational information technology (IT) consulting company headquartered in Noida, The company has offices in 52 countries and over 225,944 employees. The Client is a global IT services and consulting company that offers a wide range of services and products across various industries like IT Infrastructure Services, Cybersecurity Services, Cloud Services, Big Data and Analytics, Internet of Things (IoT) Solutions, Semiconductor Services and Enterprise Software Products.

Essential Job Functions:

- Architect and manage complex Cisco IronPort ESA deployments (physical & virtual), including high availability, clustering, and disaster recovery strategies.

- Lead Tier-3/L4 troubleshooting for critical email security incidents, performing protocol-level analysis (SMTP, DNS, TLS) and root cause investigations.

- Design and enforce security policies for spam filtering, malware protection (AMP), DLP, encryption, and outbreak filters to meet compliance and regulatory requirements.

- Plan and execute migrations, upgrades, and capacity expansions for Cisco ESA appliances in large-scale environments.

- Develop and execute test plans for new features, configurations, and integrations with Microsoft Exchange and Microsoft 365.

- Integrate ESA with Security Management Appliance (SMA) for centralized reporting, quarantine management, and policy orchestration.

- Automate operational tasks using CLI, scripting (Python/Bash), and APIs to improve efficiency and reduce manual overhead.

- Collaborate with cross-functional teams (Messaging, Network, Security)



to ensure seamless mail flow and secure integration with firewalls, DNS (SPF/DKIM and DMARC), and Active Directory.

- Maintain comprehensive documentation for architecture, configurations, troubleshooting guides, and operational playbooks.

- Provide technical leadership and mentorship to junior engineers and support teams.

Qualifications:

- 8+ years of experience in enterprise email security and messaging platforms, with 5+ years dedicated to Cisco IronPort ESA in large, complex environments.

- Strong knowledge of SMTP, DNS, FTP, SSH, TCP/IP, and secure mail routing principles.

- Expertise in Cisco ESA features: AMP, DLP, encryption, content filtering, reputation-based controls, and outbreak filters.

- Hands-on experience with policy design, disaster recovery planning, and risk analysis for email security.

- Proficiency in UNIX/Linux administration, scripting (PowerShell, Python, Bash), and automation frameworks.

- Solid networking knowledge, including firewalls, NAT, subnetting, and load balancing.

- Experience integrating ESA with Microsoft Exchange (2016/2019) and Microsoft O365 environments.

- Familiarity with Active Directory/LDAP for directory integration and authentication.





- Robust written and verbal communication skills for documentation and stakeholder engagement.

How to Apply: Interested candidates are encouraged to respond/submit their updated resumes, and for additional job opportunities, please visit Jobs In India – VARITE.

Unlock Rewards: Refer Candidates and Earn.

If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.

Experience Level Bonus Referral:

0-2 years

INR 5,000

2-6 years

INR 7,500

6+ years

INR 10,000

About VARITE: VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.

Equal Opportunity Employer:

VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.

📌 Lead System Engineer-Cisco Ironport Expert (Bengaluru)
🏢 VARITE
📍 Bengaluru