Information System security Engineer

Cyber Defense Technologies; Cedar Rapids (IA); On-site; USD 105,000 - 140,000; Full time

Job summary

Cyber Defense Technologies in Cedar Rapids, IA is seeking an experienced ISSE for a DoD program. This on-site role provides security engineering, systems administration, and information assurance support to the program.

You will lead a small team, conduct security testing with Nessus/ACAS, Trellix, and Splunk, and ensure patching and change management processes meet DoD standards. Strong certifications preferred.

Qualifications

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

Responsibilities

• Perform Site-Lead/Management duties for a small team of System Administrators and ISSEs.
• Provide senior-level security engineering and development support through the system life cycle.
• Conduct continuous monitoring and security testing using Nessus ACAS, Trellix, and Splunk.
• Develop mitigation solutions and patching requirements.
• Ensure changes are reviewed and do not impact security (Change Management).
• Maintain Trellix/ENS installations and upstream connections.
• Collaborate with upstream providers such as DISA and C5ISR.
• Support authorization/reauthorization documentation and POA&Ms.

Skills

VMware vSphere

Enterprise Linux

Nessus ACAS

Trellix

Splunk

CISSP

CCNA Security

RHCSA

Ansible

PowerShell

Leadership

Cisco ISE

Forescout CounterACT

Windows Server

Windows Workstation

Palo Alto

Tools

Cisco ISE

Forescout CounterACT

Nessus ACAS

VMware vSphere

Palo Alto

Windows Server

Windows Workstation

Ansible

PowerShell

Job description

Overview

CDT is seeking an experienced and skilled ISSE for a DoD program in Cedar Rapid, Iowa. 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

• Experience with administering, maintaining, implementing upgrades, and ensuring the readiness of several classified virtual enterprise systems and corresponding technologies (e.g., VMware vSphere, Enterprise Linux, Cisco Systems (Switch, Router, NGFW), Palo Alto, Windows Server, Windows Workstation).
  • Knowledge of Cisco ISE/Forescout CounterACT NAC technologies preferred.
• Perform Site-Lead/Management duties that support the workflow and project goals for a small team of System Administrators and Information Security Engineers.
• Provide senior-level security engineering and development support throughout the system life cycle.
• Perform appropriate continuous monitoring and systems security testing using tools such as Nessus Security Center/ACAS, Trellix, and Splunk Enterprise.
• Provide mitigation solutions for identified findings and patching requirements.
• Ensure that proposed system changes are reviewed and that implemented system modifications do not adversely impact the security of the system (e.g., Change Management).
• Maintain local Trellix/ENS installations and upstream connections.
• Work with upstream service providers such as DISA and C5ISR.
• Ensure that authorization/re‑authorization support documentation is developed and maintained in conformance with applicable standards.
• Assist with the client’s progress towards completion of POA&Ms.

Technical Areas of Expertise

• Performing enterprise software installations and upgrades.
• Enterprise Linux (Red Hat, OEL, Fedora) experience.
• Ansible or PowerShell automation experience preferred.
• VMware vSphere Experience (ESXi, vCenter, etc.)
• Windows Workstation and Server deployment and administration experience.
• RMF, NIST, and NISPOM requirements, configurations, settings, and documentation.
• 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.
• DISA ACAS and Trellix Certifications preferred.

Compensation and Benefits

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

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.

Apply Now

If you are a proactive ISSE and thrive in dynamic environments, we encourage you to apply and join the CDT team!

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.