Senior Infrastructure & Security Engineer

Job Description

Appian is seeking a Senior Infrastructure & Security Engineer to join their Information Security department. This role, internally titled Senior IT Engineer, will be based at Appian's headquarters in McLean, Virginia. The ideal candidate will be hands-on and involved in various responsibilities, collaborating with infrastructure technology peers and handling business solutions for the company’s network infrastructure.

Appian believes in in-person collaboration and expects employees to be in the office 5 days a week.

Responsibilities:

• Plan and lead LAN, WAN, network security, and systems projects
• 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
• Automate cloud infrastructure deployment and management using Infrastructure as Code
• Respond to and resolve emergent problems across diverse enterprise systems
• Utilize best practices based on various frameworks (e.g. ITIL, ISO, SOC, PCI) and support internal and external audit activities
• Recommend emerging technologies to keep our network modern, innovative, and secure
• Collaborate with teams of fellow tech gurus

Requirements:

• A BS in Computer Science or related field/degree or equivalent experience
• In-depth understanding of networking protocols, technologies, and concepts
• Experience designing, implementing and maintaining wireless infrastructure
• Strong knowledge and hands-on experience with RADIUS, IDPs, LDAP, and other AAA-related protocols and systems
• Understanding of security principles, including multifactor authentication (MFA), encryption, and vulnerability management
• Experience with scripting and automation tools that manage network and infrastructure configuration changes

The role offers:

• Training and development opportunities
• Growth opportunities including leadership programs and tuition reimbursement
• A community rooted in respect and inclusivity through employee-led affinity groups