Information System Security Engineer (ISSE)

Cyber Defense Technologies; Westford (MA); On-site; USD 110,000 - 160,000; Full time

Job summary

Cyber Defense Technologies in Westford, MA seeks an experienced Information System Security Engineer (ISSE) to support a DoW program on site. The role focuses on on-site security engineering, systems administration, and information assurance.

Applicants should hold an active Secret clearance (Top Secret preferred) and have hands-on expertise with RMF/NIST, HBSS, VMware, networks, and Windows/Linux administration for classified environments.

Qualifications

• 8+ years of experience deploying, configuring, maintaining, and monitoring computer systems and networks.

Responsibilities

• Systems Administration: Administer, maintain, upgrade, and ensure readiness of classified systems and technologies (VMware, Cisco, Palo Alto, Windows/Linux).
• Security Testing: Perform continuous monitoring and testing using ACAS/Nessus.
• Vulnerability Remediation: Implement and provide mitigation for findings and patching.
• Networking: Maintain, troubleshoot, upgrade switching, routing, firewalls.
• HBSS Maintenance: Maintain HBSS installation and upstream connection.
• Documentation & Procedures: Create and maintain procedural documents (CM, continuous monitoring, BCP/DR).

Skills

Systems Administration

Security Testing

Networking

HBSS Maintenance

RMF/NIST/NISPOM

VMware

Linux

Windows

Ansible

PowerShell

Education

CISSP

CCNA

Security+

RHCSA

Tools

VMware vSphere

Nessus

ACAS

Palo Alto

Cisco IOS

Job description

Information System Security Engineer (ISSE)

CDT is seeking an experienced and skilled ISSE for a DoW program in Westford, MA. This position is hands-on technical and will provide on-site security engineering, systems administration, and information assurance support to the program.

Overview: CDT is seeking an experienced and skilled ISSE for a DoW program in Westford, MA.This position is hands-on technical and will provide on-site security engineering, systems administration, and information assurance support to the program.

Clearance Requirements: An active Secret is required, Top Secret is preferred. Candidates who do not meet these clearance requirements will not be considered.

Responsibilities

• Systems Administration: Administer, maintain, upgrade, and ensure the readiness of several classified virtual enterprise systems and corresponding technologies (VMware, Cisco, Palo Alto, Windows Domain, Linux).
• Security Testing: Perform continuous monitoring and systems security testing using tools like ACAS/Nessus.
• Vulnerability Remediation: Implement and provide mitigation solutions for identified findings and patching requirements.
• Networking: Maintain, Troubleshoot, Upgrade Switching, Routing, Firewalls
• HBSS Maintenance: Maintain HBSS installation and ensure upstream connection.
• Documentation & Procedures: Collaborate with the ISSO team and program/project staff to create, implement, and maintain procedural documents and operations (configuration management, continuous monitoring, business continuity, disaster recovery, etc.).

Technical Areas of Expertise

• Software Installations: Perform enterprise software installations and upgrades.
• Compliance: RMF, NIST, and NISPOM requirements, configurations, settings, and documentation.
• Network Engineering: Experience with Enterprise Switching and Firewalls highly desired (For Example: Palo Alto, Cisco ASA, Cisco Firepower, Cisco IOS, Juniper JunOS)
• Linux Skills: Familiarity RedHat Enterprise Linux.
• Ansible or PowerShell automation experience preferred.
• VMware vSphere Experience (ESXi, vCenter, etc.)
• Windows Workstation and Server deployment and administration experience.
• Network engineering experience highly sought after.

Qualifications

• 8+ years of experience in deploying, configuring, maintaining, and monitoring computer systems and networks.
• Previous team leadership experience.
• Experience with implementing highly technical solutions and reporting their importance to the organization and stakeholders.
• Technical certifications such as a CISSP, CCNA, Security +, RHCSA, or similar.

Why Join Cyber Defense Technologies?

At CDT, we offer a collaborative and inclusive work environment where your expertise in system engineering can help shape the future of cybersecurity and engineering solutions.

Compensation and Benefits

• Competitive salary based on experience.
• Comprehensive benefits package, including health, dental, and retirement plans.
• Opportunities for professional development and career advancement.

CDT is committed to hiring and retaining a diverse workforce. We are an Equal Opportunity employer making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.