As the Senior Cybersecurity Architect & Systems Engineer, you will provide comprehensive security and networking oversight for the Applied Technology Department's mission-critical systems. This role demands architectural expertise to design, deploy, and maintain security solutions that strictly adhere to NIST SP 800-171/53 CMMC requirements. You will serve as the principal security resource, merging deep technical execution with strategic vision to manage risk and advance our technical capabilities within a highly regulated government compliance framework. Responsibilities. Define and Architect enterprise-grade security reference architectures, overseeing the full lifecycle implementation of key solutions including, but not limited to, Endpoint Detection & Response (EDR), Data Loss Prevention (DLP), Multi-Factor Authentication (MFA) systems, and Data-At-Rest Encryption. Develop, optimize & maintain Security Incident and Event Management (SIEM) platforms to enhance log collection, analysis, and threat detection capabilities. Serve as the technical lead for NIST and CMMC compliance, spearheading audit preparations and technical controls. Work closely with IT Security Policy engineer to establish/verify technical controls meet policy. Act as the definitive Incident Response Lead, overseeing the strategic triage, containment, root-cause analysis, and recovery processes for all security breaches. Design, deploy, and maintain security-focused network infrastructure, including Next-Generation Firewalls (Palo Alto, Fortinet, or similar), Intrusion Detection/ Prevention Systems (IDS/ IPS), and VPN/access control platforms, enforcing strict network segmentation policies. Spearhead the Vulnerability Management Program, implementing automated scanning tools and aggressively driving high-priority remediation efforts across all infrastructure hardware and software, focusing on zero-day mitigation. Provide expertise and architectural guidance for Linux and Windows server environments, ensuring secure baselines and continuous configuration monitoring. Develop and enforce security policy standards through automation, utilizing advanced scripting (PowerShell, Python, Bash) to integrate security toolsets and streamline daily management. Maintain continuous professional development to master emerging threats, technologies, and regulatory changes in the defense industrial base. Oversee large-scale deployment, management, and orchestration of patch and configuration management systems (e.g., SCCM, Ansible) to maintain a hardened security posture. Minimum 2 years of hands-on experience designing and managing enterprise networking solutions (Cisco, Juniper, Palo Alto, Fortinet, etc.). Expert-level knowledge of Linux and Windows server environments and security best practices. Proficiency in scripting/automation (PowerShell, Python, Bash, or equivalent) for system management and security operations. Proven experience implementing and maintaining regulatory compliance frameworks (NIST SP 800-171, CMMC, ISO 27001). Demonstrated strategic, analytical, and advanced troubleshooting skills with ability to independently drive complex projects to completion. Excellent written and verbal communication skills, including experience documenting technical systems. Ability to interface with customers and internal teams effectively. Preferred Qualifications. Professional Security certification such as Security , CISSP, CISM, or Certified CMMC Professional (CCP). Deep experience with virtualization and cloud security principles (e.g., AWS, Azure). Familiarity with governance, risk, and compliance (GRC) platforms. Direct experience with configuration management tools (e.g., Ansible, Puppet, Chef). Experience leading Incident Response tabletop exercises and formal documentation.#Applied. Tech #LI-ONSITE #LI-JM 2 Target Base Salary Range: $72,700 - $115,400 USD - Consistent with Motorola Solutions values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate. Basic Requirements. Must be a U.S. Citizen with the ability to obtain necessary security clearances as required by government contracts. Associates Degree in Information Technology, Computer Science, Cybersecurity, or a related field 3 years of progressive experience in Information Security Engineering, focusing on enterprise-level system design and deployment. Travel Requirements. None. Relocation Provided. None. Position Type. Experienced. Referral Payment Plan. Yes.