Role Description The Security Design Architect / Engineer role will be experienced in protective design, physical security, and/or civil construction to support the Client's Global Security Systems & Technology program. The individual will directly support the Design, Engineering, & Construction (DEC) team and will require a strong understanding of construction project life cycles, including pre-lease, design, and construction phases. In partnership with teammates, this individual will manage all aspects of project management and coordination of protective design requirements including: - Site hardening (barriers, fencing, lighting) - Structural hardening of the building perimeter (façades and doors) - Structural hardening of building interiors (lobbies, mailrooms, critical spaces) for new build and retrofit projects In addition, the position requires close coordination with operational and technological security teams as well as architects, engineers, manufacturers, and contractors across a variety of disciplines (Civil, Landscape, Architectural, and Structural). Responsibilities include, but are not limited to: - Lead daily operations and direct the implementation of guidelines and processes that ensures a cohesive, consistent, and uniformed global program. - Manage end-to-end protective design scope (pre-lease, planning, design, construction, quality assurance) ensuring on-time delivery while driving execution. - Partner with other project specialists responsible for similar processes to collaborate and consolidate project work. - Manage builds of existing and new construction and retrofits, protective design consultant selection, and third-party vendor recommendations. - Act as the liaison and point of contact for both internal and external cross-functional partners, third party vendors, and protective design consultants. - Foster strong cross-functional partnerships and provide clear, concise communication to both technical and non-technical stakeholders. - Meet regularly with stakeholders and project design teams to provide status updates and coordinate project specific requirements. - Provide ongoing communication of planning, project status, issues and risks in a timely fashion to internal global security team members and cross functional partners. - Support continual improvement efforts through evaluation of current practices; investigation of new products; development of presentation materials, forms, and guidance documents; coordination and execution of pilots for programs; and present recommendations and provide business justification to relevant partners. Qualifications - Bachelor’s degree in Architecture, Engineering (Architectural, Civil, Structural), and/or Construction Management with 3-5+ years of relevant work experience in design and construction supervision of offices. - Alternatively, 6+ years of experience in project management or design and construction of offices. - Knowledge of workplace or office design project, protective design and construction management in NORAM region. - Experience with PlanGrid, or ability to learn quickly. - Experience documenting, managing, and executing scalable and repeatable processes. - Experience in cross-functional and multi-disciplinary coordination through planning, design, and construction project phases. - Experience communicating technical information to both technical and non-technical stakeholders. - Proficient with Excel, Outlook, Word, PowerPoint. - Strong verbal and written communication, attention to detail, and organization. - Highly motivated and able to work independently without overhead guidance. - Comfortable working in a fast-paced and demanding setting. - Travel within region required. - Direct experience with protective design products, systems, and/or projects. Benefits - Medical Benefits - Prescription Benefits - FSA - Dental Benefits - Vision Benefits - Life and AD&D - Voluntary Life and AD&D - Disability Benefits - Voluntary Benefits - 401 (K) Retirement - Nationwide Pet Insurance - Employee Assistance Program

Role Description We are seeking an experienced Security Architect to lead the end-to-end security strategy and implementation for the blockchain-based AI platform. This role requires deep expertise across cloud security, blockchain, Kubernetes, AI workloads, and secure software development practices. The Security Architect will be responsible for designing a comprehensive security architecture that spans infrastructure, application, data, and operations – ensuring the platform achieves enterprise-grade security, compliance, and resilience. Responsibilities - Architect and implement security frameworks across blockchain platforms, AI workloads, Kubernetes, and cloud infrastructure. - Define and own the security roadmap, ensuring alignment with business objectives and regulatory requirements. - Establish identity and access management (IAM) strategies, including secrets management, VPN/identity solutions, and Zero Trust principles. - Establish trust boundaries and enforce appropriate controls, including workload isolation, access restrictions, and data protection measures. - Design and oversee cloud (AWS) security architecture and enforce least-privilege access. - Implement Kubernetes security controls, including Pod Security Standards, network segmentation, and workload isolation. - Lead the creation of incident response playbooks, monitoring dashboards, and alerting mechanisms for blockchain, AI, and cloud environments. - Conduct regular security assessments, penetration tests, and threat modeling to validate platform resilience. - Collaborate with blockchain architects, AI engineers, DevOps, and business teams to ensure security is embedded across all phases of development and operations. - Stay current with emerging security standards, technologies, and threats in blockchain, AI, and cloud ecosystems. Qualifications - Proven expertise in security architecture design for cloud, blockchain, AI/ML, and distributed systems. - Strong knowledge of cloud security (AWS, Azure, or GCP), including IAM, audit logging, monitoring, and least privilege enforcement. - Deep understanding of blockchain security principles, including validator/node protection, consensus mechanisms, and key management. - Solid understanding of cryptography, PKI, zero-knowledge proofs, and security best practices. - Extensive experience with Kubernetes and container security, including pod security standards, workload isolation, network segmentation, and admission controls. - Proven ability to secure CI/CD pipelines and the software supply chain, including vulnerability scanning, artifact signing, and code integrity enforcement. - Familiarity with monitoring, logging, and incident response frameworks such as Prometheus and Grafana. - Experience in securing AI/ML workloads, covering model integrity, data confidentiality, GPU resource isolation, and inference security. - Proficiency with automation and scripting in Python, Go, or Rust to build and integrate security controls. Educational Qualifications - Bachelor’s or Master’s degree in Computer Science, Cybersecurity, or Information Security. - Certifications such as CISSP, CISM, CKA/CKS, or Cloud Security Specialty are a strong plus. Key Attributes - Strategic thinker with ability to anticipate threats and design proactive defenses. - Strong leadership skills with ability to mentor engineering teams and enforce best practices. - Excellent communication and collaboration skills to align security with business goals. - Hands-on mindset with the ability to design, implement, and validate security controls. Benefits - Work alongside the ChainGPT core team on high-impact AI and Web3 products across our ecosystem. - Remote-first setup with flexible hours, focused on outcomes, trust, and ownership. - Competitive compensation, with performance-based upside where applicable to the role. - Fast-moving environment with direct collaboration across all team members, including senior management, and clear accountability with no micromanagement. - The support to do your best work, including the tools you need, structured onboarding, and clear room to grow.

About Lumen Lumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress. We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future. The Role The Senior Director of Security Architecture & Engineering leads cybersecurity architecture and engineering for Lumen’s Public Sector portfolio. This role owns the strategy and technical roadmap for federal security services, ensuring compliance with FISMA, FedRAMP High, NIST 800‑53, TIC 3.0, CMMC, and related requirements. You will guide cloud and network security architecture, secure design practices, and ongoing modernization efforts while partnering with executives, government stakeholders, and cross‑functional teams. This Senior Director role is a critical executive position that ensures Lumen’s public sector security services remain highly secure, compliant, and technically superior in a rapidly evolving landscape. The ideal candidate is a visionary leader who can marry deep technical expertise with strategic business insight – someone who can chart a course for the future of security solutions and galvanize teams to turn that vision into reality. If you are excited by the challenge of protecting government networks with state-of-the-art architectures and leading a talented team in delivering on that mission, we encourage you to apply. Location This is a remote position open to candidates based anywhere in the U.S. The Main Responsibilities - Set the vision and multi‑year roadmap for public‑sector security architecture and secure service delivery. - Provide executive oversight of network, cloud, identity, and data‑protection architectures aligned to FedRAMP and federal standards. - Lead compliance strategy across FISMA, RMF, FedRAMP ATOs, and continuous monitoring. - Represent Lumen as a senior technical SME with government CIO/CISO stakeholders and internal executives. - Drive modernization of security platforms, cloud migration, automation, and SOC/SIEM evolution. - Lead and develop a high‑performing team of security architects and engineers. - Partner closely with Product, Operations, Program Management, and Compliance to deliver secure, reliable, and compliant solutions. What We Look For in a Candidate - 15+ years in cybersecurity or network engineering; 5–7+ years leading security architecture for mission‑critical or regulated environments. - Deep expertise in federal compliance frameworks (FISMA, NIST RMF, FedRAMP, TIC 3.0, CMMC). - Broad technical mastery across cloud security, network architecture, identity, SIEM/SOC design, automation, and modern security platforms. - Strong executive communication and stakeholder‑management skills. - Proven ability to define strategy, build roadmaps, and drive cross‑functional execution. - Master’s degree required; CISSP/CISM preferred. U.S. citizenship and federal fuitability clearance required. Secret+ clearance preferred. - Financial acumen in budgeting, cost modeling, and investment planning. Compensation This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors. Location Based Pay Ranges: $171,447 - $228,596 in these states: AL, AR, AZ, FL, GA, IA, ID, IN, KS, KY, LA, ME, MO, MS, MT, ND, NE, NM, OH, OK, PA, SC, SD, TN, UT, VT, WI, WV, and WY. $180,020 - $240,026 in these states: CO, HI, MI, MN, NC, NH, NV, OR, and RI. $188,592 - $251,456 in these states: AK, CA, CT, DC, DE, IL, MA, MD, NJ, NY, TX, VA, and WA. Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process. Learn more about Lumen's: - Benefits - Bonus Structure #LI-Remote Requisition #: 341138 Background Screening If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page. Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Equal Employment Opportunities We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training. Disclaimer The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions. In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

• Own and evolve the company’s information security strategy, roadmap, and operating model. • Lead, mentor, and grow a high-performing information security team. • Establish clear priorities, metrics, and accountability for security outcomes. • Serve as a trusted security advisor to technology and business leadership. • Partner closely with DevOps, SRE, and Cloud teams to design and secure cloud infrastructure and services. • Provide hands-on guidance and implementation support for cloud security controls, identity and access management, and network security. • Work with engineering teams to embed secure design, threat modeling, and security best practices into application development. • Lead security monitoring, detection, and incident response activities. • Participate directly in security investigations, root cause analysis, and remediation efforts. • Ensure security tooling is effective, well-integrated, and operationally sustainable. • Own security risk management processes including risk assessments and remediation tracking. • Support customer and regulatory compliance requirements such as SOC 2, HIPAA, and related frameworks. • Partner with legal, compliance, and customer-facing teams on audits, assessments, and security reviews. • Develop and implement security policies, standards, and procedures aligned with business needs. • Work closely with the VP, Technology Operations to align security priorities with operational goals. • Partner with DevOps and SRE leadership to ensure security is built into reliability and operational processes. • Collaborate with Product and Engineering leaders to balance security, velocity, and customer impact. • Communicate clearly with stakeholders on security posture, risks, and improvement initiatives.