Sr. Cybersecurity Engineer

Sr. Cybersecurity Engineer – Murfreesboro, TN

AESC is looking to add a Sr. Cybersecurity Engineer to our team in Murfreesboro, TN.

• Full‑Time
• On‑site

AESC is seeking a Senior Cybersecurity Architect to lead the design, implementation, and governance of cybersecurity across IT and OT environments. This hands‑on architect‑level role will secure enterprise infrastructure, manufacturing systems, and plant operations.

• Design, implement and maintain enterprise‑wide cybersecurity architecture for IT & OT.
• Develop and maintain security standards, policies and frameworks (NIST, ISO 27001, IEC 62443). Define network architecture for LAN, WAN, Wi‑Fi.
• Secure field assets and remote operations as AESC expands into deployed energy storage systems.
• Evaluate and approve third‑party OT vendors (BMS, EMS, SCADA, inverters, cloud platforms). Conduct vendor risk assessments.
• Design secure architectures for customer, utility and remote access to DC Block systems.
• Develop cybersecurity standards, lifecycle management and governance for deployed assets.
• Support incident response, vulnerability management and patching for field systems.
• Implement centralized monitoring, logging and threat detection across deployed projects.
• Support development of SOC and ROC capabilities for fleet‑wide monitoring and operations.
• Ensure governance extends beyond manufacturing to address growing risk of deployed energy systems.

• Microsoft 365 (Exchange, Teams, SharePoint, One Drive)
• Active Directory / Azure AD (Entra )
• Endpoints (laptops, mobile devices)
• Secure VLAN segmentation, firewalls, L3/L2 switches
• Identity & Access Management (IAM)
• Conditional Access & Zero Trust architecture
• Vulnerability management and patching programs

• Maintain and enhance secure OT environments including MES, manufacturing systems, SCADA/PLC networks
• Maintain and secure network segmentation between IT and OT
• Ensure minimal disruption to production while enforcing security controls
• Align with industrial cybersecurity standards (IEC 62443, NIST CSF)

Bachelor’s degree in Cybersecurity, Information Technology, or related field. More than 5 years of experience in cybersecurity.

• IT & OT security environments
• Network security (LAN/WAN/VLAN/firewalls)
• Microsoft 365 security ecosystem
• Firewall and network design
• Cloud security (Azure preferred)
• Incident response focus
• Microsoft 365 Defender and other tools
• Strong analytical, problem‑solving and communication skills
• Knowledge of cybersecurity frameworks and regulations
• Ability to work under pressure and lead incident handling
• Certifications:
  
  CRISC, CISA, CISM, CISSP, SANS GIAC, ITIL, ISO
  27001
• Experience with application & software security
• Experience in SaaS or technology service provider environments
• Consultation‑task oriented experience

• Certifications such as CISSP, GCIH, CCIE

Occasional domestic travel may be desired.

• Competitive salary and rewarding bonus program
• Inclusive, diverse environment fostering professional and personal development
• Highly automated, clean, safe, temperature‑controlled production environment
• Medical, Dental, Vision insurance
• HSA and Flexible Spending Accounts
• 401(k) with company match
• Company‑paid life insurance and additional voluntary
• Paid vacation and 14 paid holidays
• Short‑term and long‑term disability coverage (company paid)
• Tuition reimbursement

• Ability to sit for extended periods.
• Ability to read, write, speak, hear; stand; walk; use hands to finger, handle, or feel; reach and lift with hands and arms frequently.
• Occasional lifting of up to 10 pounds, sometimes up to 35 pounds.

At AESC, we are committed to providing Equal Employment Opportunity (EEO) to all individuals. We participate in E‑Verify and will provide the federal government with your Form I‑9 information to confirm your authorization to work in the U.S.