ISE Engineer

SAIC • Colorado Springs, CO • 11h ago

Description

SAIC is seeking a Cisco Identity Services Engine (ISE) Engineer to join our Comply to Connect (C2C) team in support of the North American Aerospace Defense Command/United States Northern Command (N&NC) Information Technology (IT) Enterprise Services (NITES) contract, with primary work onsite in Colorado Springs. This role requires hands-on experience with Cisco ISE, network authentication protocols, security policy enforcement, and compliance with DoD cybersecurity frameworks. The ideal candidate will collaborate with a team of IT professionals to maintain, troubleshoot, and optimize Cisco ISE infrastructure while ensuring compliance with security standards such as DISA STIGs, NIST 800-53, and IAVM policies.

Key Responsibilities

Assist in configuring, maintaining, and optimizing Cisco ISE for authentication, authorization, and accounting (AAA).

Support 802.1X, MAB (MAC Authentication Bypass), posture assessment, and profiling for endpoint security.

Troubleshoot authentication failures, endpoint misclassifications, and network access issues.

Administer and maintain ISE Policy Service Nodes (PSNs), Monitoring and Troubleshooting Nodes (MnTs), and PAN (Primary Admin Node).

Configure and troubleshoot Cisco ISE Guest Access, BYOD policies, and device profiling.

Perform routine ISE system updates, patches, and health checks to ensure system stability.

Monitor and analyze RADIUS, TACACS+, LDAP, and Active Directory authentication logs for security compliance and performance issues.

Ensure Network Access Control (NAC) enforcement aligns with DoD Comply to Connect (C2C) policies and DISA STIGs.

Support device posture validation, TrustSec, dynamic ACL (dACL) provisioning, VLAN assignments, and security group tagging (SGT).

Work alongside network and security teams to enforce Zero Trust security models and least privilege access principles.

Assist in implementing certificate-based authentication (TLS/SSL, OpenSSL operations, and PKI infrastructure).

Qualifications

Required Qualifications

Active Top Secret security clearance.

Certification required per DoDD 8140.03, Intermediate Level (Security+ or equivalent)

BS or equivalent work experience in the Information Assurance / Cybersecurity field

9+ years of overall IT security experience

Exceptional analytical, problem-solving, and communication skills, with the ability to articulate complex technical concepts to both technical and non-technical stakeholders.

Knowledge of certificate-based authentication (PKI, TLS/SSL, OpenSSL, and certificate management).

Experience working within DoD cybersecurity compliance frameworks (DISA STIGs, NIST 800-53, IAVMs).

3+ years of hands-on experience in Cisco ISE administration, NAC policy management, and network authentication security.

Experience with 802.1X, MAB, RADIUS, TACACS+, and LDAP integration.

Preferred Qualifications

5+ years of experience in network security and NAC.

Strong understanding of Cisco ISE architecture, profiling policies, posture assessment, and endpoint classification.

Hands-on experience troubleshooting authentication failures, network access issues, and ISE system health.

Basic scripting knowledge (Python, Bash, or REST APIs) for automation and troubleshooting is a plus.

Preferred Certifications

Cisco Certified Specialist - ISE

Cisco Certified Network Associate (CCNA) - Security or Enterprise

Cisco Certified Network Professional (CCNP) - Security or Enterprise

Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

REQNUMBER: 2610016

SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability

SAIC

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