Senior Information Technology Engineer

Appian; Chennai District; On-site; INR 800,000 - 1,200,000; Full time

Benefits offered by this job

Health coverage

Employee Assistance Program (EAP)

Tuition reimbursement

Inclusive community initiatives

Job summary

A technology automation firm located in Tamil Nadu is looking for a Senior IT Engineer to lead networking and security projects. You will manage and optimize both wired and wireless infrastructures while collaborating with teams to solve complex technical problems. The ideal candidate will have deep knowledge of networking protocols, RADIUS, and security principles. This role offers opportunities for continuous learning and professional development alongside a supportive team.

Qualifications

• 6 - 9 years of experience in networking protocols and technologies.
• Experience in designing and maintaining wireless infrastructure.
• Knowledge of RADIUS, IDPs, and LDAP protocols.

Responsibilities

• Lead LAN, WAN, network security, and systems projects.
• Manage certificate authority and radius server in HA.
• Automate infrastructure management using IaC tools.

Skills

Networking protocols (TCP/IP, VLANs, etc.)

Wireless infrastructure design and maintenance

RADIUS and AAA protocols

Security principles (MFA, encryption)

Scripting and automation (Python, Ansible, Terraform)

Network monitoring and troubleshooting

Problem-solving skills

Forward-thinking mindset

Education

BS in Computer Science or related field

Tools

Ansible

Terraform

AWS

Azure

GCP

Job description

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together.

Appian’s Information Security department is currently seeking a Senior IT Engineer eager to be hands‑on and involved in many different areas of responsibility. . As a Senior IT Engineer, you’ll also collaborate with infrastructure technology peers and handle business solutions for the company’s network infrastructure. The ideal candidate should have a track record of using a diverse set of technologies to achieve business goals.

Required Experience

• 6 - 9 years In-depth understanding of networking protocols, technologies, and concepts (TCP/IP, VLANs, routing, switching, subnetting, etc.)

• Experience designing, implementing and maintaining wireless infrastructure. Troubleshooting wireless related issues, optimizing coverage, capacity and wireless performance.

• Strong knowledge and hands‑on experience with RADIUS, IDPs (e.g., SAML, OAuth, OpenID Connect), LDAP, and other AAA‑related protocols and systems.

• Understanding of security principles, including multifactor authentication (MFA), encryption, and vulnerability management.

• You have experience with scripting and automation tools that manage network and infrastructure configuration changes (preferably using source control)l. Automating your way out of a repetitive task is second nature. Familiarity with languages such as Python and IaC or infrastructure automation systems such as Ansible and Terraform are a significant plus.

• Experience with network monitoring and troubleshooting tools.

• You have an ability to approach problems from unconventional angles, offering unique perspectives

• You have a forward-thinking mindset, forecasting potential problems and following developing technological trends

• A BS in Computer Science or related field/degree or equivalent experience

Responsibilities

• Plan and lead LAN, WAN, network security, and systems projects across diverse technology platforms including multi‑vendor wired (enterprise switches, routers and firewalls) and wireless networks, VPNs, VOIP, etc across a hybrid global infrastructure footprint.

• Internal certificate and certificate authority management. Configuring and managing radius server in a High Availability (HA) environment

• Designing and implementing global wireless Infrastructure. Managing and maintaining tools to enhance wireless performance

• Managing, implementing, and integrating RADIUS, IDPs, LDAP, and other AAA‑related protocols and systems.

• Leverage both cloud (AWS, Azure, GCP) and physical network/compute infrastructure to find creative solutions to complex problems

• Automate cloud infrastructure deployment and management using Infrastructure as Code (e.g. Terraform, CloudFormation) and scalable automation tools such as Ansible

• Respond to and resolve emergent problems across our diverse enterprise systems, from the physical layer to the application layer

• Utilize best practices based on various frameworks (e.g. ITIL, ISO, SOC, PCI) and support internal and external audit activities

• You’ll use the know-how and discerning standards you’ve acquired over years of experience to recommend emerging technologies to keep our network modern, innovative, and secure

• Collaborate with teams of fellow tech gurus and play an integral part of network and systems design, architecture and administration

Tools and Resources

• Training and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through department‑specific training. Continuous learning is a central focus at Appian, with dedicated mentorship and the First‑Friend program being widely utilized resources for new hires.
• Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. This commitment ensures that employees have access to a holistic range of development opportunities.
• Community: We’ll immerse you into our community rooted in respect starting on day one. Appian fosters inclusivity through our 8 employee‑led affinity groups. These groups help employees build stronger internal and external networks by planning social, educational, and outreach activities to connect with Appianites and larger initiatives throughout the company.

Benefits

Appian offers a comprehensive benefits package designed to support your health, wellbeing, and financial future. Benefits may include health coverage, Employee Assistance Program (EAP) with free mental health support, life and disability insurance, an Employee Stock Purchase Program (ESPP), a retirement/pension plan, wellness dollars, tuition reimbursement, family‑forming benefits and more. Benefits vary by country—please ask your Talent Acquisition contact for details specific to the location you are applying to.

About Appian

Appian provides process automation technology. We automate complex processes in large enterprises and governments. Our platform is known for its unique reliability and scale. We’ve been automating processes for 25 years and understand enterprise operations like no one else. For more information, visit appian.com. [Nasdaq: APPN]

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