Cybersecurity Engineer

Jobtailor; Arizona; On-site; USD 90,000 - 150,000; Full time

Job summary

Jobtailor seeks a cybersecurity engineer to configure, deploy, and maintain security solutions for DoD environments. The role requires an active DoD Secret clearance and RMF familiarity, with STIG validation and remediation responsibilities across network and system components.

You will conduct vulnerability assessments using ACAS/Nessus, support RMF activities, and assist with system hardening and secure baselines.

Qualifications

• Active DoD Secret Clearance with ability to maintain clearance.
• DoD 8570/8140 IAT Level II certification (Security+ CE or equivalent) or ability to obtain within timeframe.
• Experience performing STIG implementation, validation, and remediation.
• Experience conducting vulnerability scans using ACAS/Tenable Nessus or equivalent.
• Familiarity with RMF and cybersecurity compliance requirements.
• Understanding of secure network architecture and system hardening.
• Experience with Windows and Linux in enterprise environments.
• Strong analytical and troubleshooting skills and excellent communication.

Responsibilities

• Configure, deploy, integrate, and maintain cybersecurity solutions based on customer requirements.
• Perform STIG compliance validation and remediation across network and system components.
• Execute vulnerability assessments and assist in identifying and mitigating vulnerabilities.
• Support RMF activities and maintain DoD cybersecurity compliance.
• Assist with system security hardening and secure baseline implementation.
• Collaborate with government personnel, vendors, and subcontractors to integrate security solutions.
• Troubleshoot and resolve cybersecurity and network issues; document findings and actions.
• Communicate security concepts and remediation plans to technical and non‑technical stakeholders.
• Develop and deliver technical presentations, demonstrations, and customer briefings.
• Create and maintain technical documentation and system diagrams.
• Support system integration, testing, and cybersecurity validation during deployments.
• Serve as a technical resource during customer meetings and reviews.
• Travel up to 50% to CONUS/OCONUS locations for installation and sustainment.

Skills

Security clearance

Security+ CE

STIG implementation

Vulnerability assessment

RMF knowledge

ACAS

Nessus

Windows & Linux

Networking fundamentals

Documentation

Tools

ACAS

Nessus

Job description

Responsibilities

• Configure, deploy, integrate, and maintain cybersecurity solutions based on customer requirements, security policies, and performance specifications.
• Perform Security Technical Implementation Guide (STIG) compliance validation and remediation activities across network and system components.
• Execute vulnerability assessments using industry-standard scanning tools and assist in identifying, analyzing, and mitigating security vulnerabilities.
• Support Risk Management Framework (RMF) activities and maintain compliance with DoD cybersecurity requirements.
• Assist with system security hardening, configuration management, and secure baseline implementation.
• Collaborate with government personnel, vendors, and subcontractors to integrate security solutions into existing enterprise infrastructures.
• Troubleshoot and resolve cybersecurity and network security issues while documenting findings and recommended corrective actions.
• Communicate technical security concepts, risks, and remediation plans effectively to both technical and non-technical stakeholders.
• Develop and deliver technical presentations, demonstrations, and customer briefings.
• Create and maintain technical documentation, implementation guides, security procedures, and system diagrams.
• Support system integration, testing, and cybersecurity validation efforts during deployments.
• Serve as a technical resource during customer meetings, engineering reviews, and operational support activities.
• Travel up to 50% to CONUS and OCONUS customer locations to support installation, integration, troubleshooting, and sustainment activities.
• Ensure compliance with CACI Environmental Health & Safety (EH&S), ethics, and corporate compliance policies.
• Perform additional duties as assigned.

Requirements

• Active DoD Secret Security clearance with the ability to maintain clearance.
• DoD 8570/8140 IAT Level II certification (Security+ CE or equivalent), or the ability to obtain certification within a specified timeframe.
• Experience performing STIG implementation, validation, and remediation.
• Experience conducting vulnerability scans using tools such as ACAS/Tenable Nessus or equivalent vulnerability management platforms.
• Working knowledge of the DoD Risk Management Framework (RMF) and cybersecurity compliance requirements.
• Understanding of secure network architecture, system hardening, and cybersecurity best practices.
• Familiarity with Windows and Linux operating systems in enterprise environments.
• Knowledge of TCP/IP networking fundamentals and common network security technologies.
• Strong analytical and troubleshooting skills with the ability to identify and resolve technical issues.
• Excellent written, verbal, interpersonal, and presentation skills.
• Ability to work independently and collaboratively within cross-functional engineering teams.