Information System Security Engineer (ISSE)

Cyber Defense Technologies
Westford, MA, United States
18 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
8 years minimum
Working hours
Regular working hours
Job source

Tech stack

Microsoft Windows Cisco PIX Cisco IOS Configuration Management System Configuration Linux Disaster Recovery VMware ESX Servers Information Security Management Junos Routing Windows Domain
+14 more
Windows PowerShell Red Hat Enterprise Linux Ansible VMware VSphere Software Vulnerability Management Enterprise Software Applications Firewalls (Computer Science) Juniper Palo Alto Networks Vcenter Nessus Firepower Cisco Vmware

Job description

  • 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.).

Requirements

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

Benefits & conditions

Pulled from the full job description

  • Health insurance
  • Retirement plan
  • Dental insurance
  • Opportunities for advancement, * Competitive salary based on experience.
  • Comprehensive benefits package, including health, dental, and retirement plans.
  • Opportunities for professional development and career advancement.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.indeed.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

4:01 min

Finding personal fulfillment in the cybersecurity industry

LIVE

1:29 min

Expanding practical knowledge with community sandboxes and resources

Stuart Clark · LIVE

52 sec

Running persistent Linux environments directly on Windows

Ben Breard Ben Breard · WWC 2025

3:22 min

Transitioning from software engineering to security roles

Anna Oliveira · Coffee With Developers

3:45 min

Prototyping deterministic agents with n8n and PyATS

Alfonso Sandoval Rosas Alfonso Sandoval Rosas · Europe 2026 Virtual

2:39 min

Experiencing core Linux capabilities for DevOps administration

Michael Cade · LIVE

Videos

See all

Related articles

See all