Job Title: Cisco ISE Security Sr. Engineer Subject Matter Expert
Location: Washington, DC/On-site
Company: Bella Information Systems, LLC
Employment Type: Full-Time
Clearance Required: Public Trust

ABOUT US

Bella Information Systems is a trusted IT solutions provider serving U.S. federal agencies for over 20 years. With a strong focus on cybersecurity, enterprise IT, cloud modernization, and systems integration, we are committed to securing mission-critical environments through innovative and reliable solutions. We are currently seeking a Cisco ISE Security Senior Engineer to support our growing federal portfolio located in washington DC.

POSITION OVERVIEW

As a Cisco ISE Security Senior Engineer, you will play a critical role in designing, implementing, and managing Cisco Identity Services Engine (ISE) solutions for enterprise environments. You will collaborate with stakeholders across infrastructure, security, and network teams to ensure secure, compliant, and scalable access control systems.

QUALIFICATIONS:

• Bachelor’s degree in IT, Cybersecurity, or related field (or equivalent experience).
• 7+ years of IT experience, with 4+ years hands-on Cisco ISE experience.
• Deep understanding of network access control (NAC), 802.1X, EAP, RADIUS, and TACACS+.
• Experience with Cisco switches, firewalls, and wireless controllers.
• Experience integrating Cisco ISE with SIEM tools and identity management platforms.
• Strong troubleshooting and analytical skills.
• Cisco certifications preferred (e.g., CCNP Security, CCIE Security).
• Experience supporting federal clients or working in regulated environments is a plus.

PREFERRED SKILLS:

• Familiarity with NIST 800-53 controls and FISMA requirements.
• Experience with cloud-based NAC or hybrid access control environments.
• Knowledge of Zero Trust Architecture (ZTA) principles.

• Design and implement Cisco ISE policies and architecture for wired, wireless, and VPN access control.
• Configure profiling, posture, guest access, and BYOD services.
• Perform policy creation, testing, tuning, and troubleshooting.
• Integrate ISE with external identity sources (e.g., Active Directory, RSA, PKI).
• Monitor and analyze logs to ensure optimal security and compliance.
• Develop documentation, SOPs, and technical diagrams.
• Provide Tier 3 support and mentor junior engineers.
• Collaborate with cybersecurity teams to ensure NIST/FISMA compliance.