Senior Security Engineer- -TS/SCI w/ Poly Security Clearance Required

Tulzi Technologies, LLC (Tulzi) prides itself on an open, and honest culture in the workplace which builds morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. Tulzi offers secure network systems and software engineering solutions in both public and private sectors. With certified expert consulting the team at Tulzi is able to address the customers mission, and follow through in the systems development life cycle. Clearance Required: TS/SCI Title Senior Security Engineer Location Columbia, MD Position Overview The Senior Security Engineer serves as a technical leader responsible for architecting, engineering, and sustaining enterprise‑grade security solutions across complex IT environments. This role is deeply hands‑on and requires the ability to design, build, implement, operate, and optimize security technologies that protect mission‑critical systems. The engineer provides technical direction, mentors junior engineers, and drives security innovation across the organization. The engineer leads advanced research, evaluation, and integration of emerging security technologies to strengthen the enterprise security posture. They ensure that system hardware, operating systems, software, and security controls adhere to organizational policies, compliance frameworks, and mission objectives. Key Responsibilities Architect, implement, and maintain enterprise security controls and infrastructure components across Windows, Linux, and virtualized environments Lead the design, deployment, configuration, and lifecycle management of endpoint hardening and security tools (e.g., Ivanti, WSUS, Trellix, Tenable) Oversee patch management processes, including OS updates, third‑party software updates, and administrative tool upgrades Provide expert‑level troubleshooting, root‑cause analysis, and performance optimization for complex security and infrastructure issues Evaluate, recommend, and lead the adoption of new security tools, technologies, and methodologies Develop and maintain security documentation, including SSPs, RMF artifacts, engineering diagrams, and operational procedures Design and implement security requirements within enterprise business processes and technical architectures Support vulnerability assessments, interpret results, and develop risk‑based mitigation strategies Conduct system hardening, configuration baselining, and compliance scanning to ensure adherence to security standards Support and guide incident response activities, including forensic analysis and containment strategies Collaborate with cross‑functional teams to ensure security is embedded throughout system lifecycles Mentor and provide technical leadership to junior and mid‑level security engineers Contribute to long‑term security strategy, capability development, and continuous improvement initiatives Support a diverse set of enterprise networks and mission environments as part of a high‑performing security engineering team Minimum Requirements 8+ years of progressive experience designing, engineering, and securing enterprise‑scale IT systems across complex network environments Expert‑level knowledge in architecting, deploying, and maintaining security infrastructure, including endpoint protection, vulnerability management, configuration management, and enterprise hardening solutions Demonstrated experience leading security engineering initiatives, including implementing advanced security controls, designing secure configurations, and overseeing patch and update strategies for Linux and Windows environments Extensive hands‑on experience with enterprise security tools such as Ivanti, WSUS, Trellix, Tenable, or equivalent platforms, including tool integration, optimization, and lifecycle management Strong understanding of security frameworks and compliance requirements, such as NIST RMF, NIST 800‑53, STIGs, or equivalent federal/DoD standards Demonstrated ability to lead complex troubleshooting efforts, perform root‑cause analysis, and drive long‑term remediation strategies across enterprise systems Experience mentoring junior engineers, providing technical leadership, and contributing to team capability development Required Certifications IAT/Management‑level certification: one or more of the following — CASP+, CISSP, or equivalent senior‑level certification Vendor certification in one or more relevant technologies (e.g., Microsoft, VMware, Cisco, NetApp, Pure Storage, HP, Dell, Linux+, Red Hat, HBSS, ACAS). Candidates without an active certification must obtain at least one within six months of hire Preferred Qualifications Bachelor’s Degree Experience working within a SOC Benefits We offer a competitive benefits and compensation package and FUN place to work! Benefits include, but are not limited to: Health and Wellness Benefits Medical Insurance (three CareFirst healthcare plans to choose from, Dental and Vision Insurance, 75% covered for employee/ 50% per dependant) Health Savings Account (HSA) contributions $1,500 individual/ $3,000 family Personal Insurance Benefits Company‑paid Life Insurance and AD&D coverage Company‑paid Short‑term and Long‑term Disability Insurance Paid Leave Employees receive 20 days of vacation/10 holidays built into hourly rate/ 5 days of sick time (currently used for snow, jury, bereavement) Retirement Pre‑tax 401(k) program including 6% company match 100% fully vested from eligibility date *Eligible after 90 days of employment Company provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. #J-18808-Ljbffr Power3 Solutions