{"id":801383,"url":"https://alion.io/job/crexi-senior-security-engineer","title":"Senior Security Engineer","company":{"id":58516,"name":"Crexi","domain":"crexi.com","url":"https://alion.io/company/crexi","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":66,"open_postings":16,"ghost_share":0.563,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Vista, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":167000,"max":227000,"currency":"USD","period":"year","gross":null,"usd_annual":227000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"IAM","optional":false},{"name":"ISO 27001","optional":false},{"name":"SIEM","optional":false},{"name":"SOC 2","optional":false}],"status":"live","first_seen_at":"2026-08-12T20:40:07Z","employer_posted_date":"2026-08-28","last_verified_at":"2026-10-19T09:40:42Z","board_verified":true,"closed_at":null,"days_open":67,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":67},"description":"About Crexi\nCommercial real estate is one of the largest asset classes on earth and one of the last to go digital. Deals still get done over email threads, PDFs, and relationships nobody can search for. Crexi is the exchange betting that doesn't have to be true anymore: we're building the platform where an entire industry finds, evaluates, and closes deals, and we're betting hard on AI to get there faster than anyone thought this industry could move. There'sno playbook for turning a trillion-dollar, relationship-driven industry into a modern marketplace which means the people building it get to write it.\nAbout the Role:\nThe Senior Security Engineer designs, implements, and maintainssecurity controls across Crexi'ssystems. This role serves as a subject matter expert on security tooling and practices, leadsremediation of complex vulnerabilities, and shares expertisewith less experienced engineers. The Senior Security Engineer partners with engineering and IT to embed security into the full software lifecycle. \nWhat You'll Do:\nIndependently designs and implements security controls and tooling across cloud (AWS) and on-prem environments. \nLeads execution of the vulnerability management program, prioritizing and driving remediation across teams. \nServes as subject matter expert on SIEM, SAST/DAST tooling, and IAM practices. \nPartners with engineering teams to embed security requirements into the software development lifecycle. \nLeads investigation and response for security incidents, including root cause analysis. \nMentors less experienced engineers on security tooling and best practices. \nSupports audit readiness, gathering and organizing evidence for SOC 2 and ISO 27001. \nIdentifies gaps in existing controls and recommends improvements. \nQualifications:\nRequired: Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience. \nRequired: 5+ years of security engineering experience. \nPreferred: Experience with SaaS or marketplace platforms. \nWho You Are:\nThrives in a fast-paced, dynamic environment. \nExceptional communication skills, with the ability to provide clear and concise information to stakeholders at all levels. \nStrong analytical skills, with the ability to interpret complex information and identify patterns. \nExcellent organizational and prioritization skills, with the ability to manage multiple priorities and deadlines. \nSelf-starter who independently owns their own success and demonstrates strong initiative. \nResponsive, action-oriented, and proactive in identifying and resolving issues. \nStrong problem-solving and creative thinking skills, with the ability to evaluate options and implement effective solutions. \nEffective collaborator, with the ability to work cross-functionally and build strong working relationships. \nDemonstrated ability to handle sensitive and confidential information with the utmost professionalism and discretion. \nCommand of security tooling and domains such as SIEM, SAST/DAST, cloud security (AWS), IAM, vulnerability management, and compliance frameworks (e.g., SOC 2, ISO 27001). \nStrong security engineering background with experience delivering in a SaaS environment. \nWorking knowledge of agile delivery practices. \nWhy Crexi?\nReal impact, fast. Join a rapidly scaling startup where your work moves the needle from day one.\nReal ownership. Equity in Crexi's growth story.\nBuilt for growth. A flexible team structure designed for real career discretion.\nTime that is yours. Discretionary PTO - take what you need, when you need it.\n Health & Future covered. Medical, dental, and vision insurance, 401(k), FSA/HSA options, and Life & AD&D insurance.\nSet up right. Home-office reimbursement for remote employees.\n A winning team. A collaborative culture with team activities that bring people together.\nThe anticipated base salary range for candidates who will work in our Playa Vista, California location is $167,000 to $227,000. The final salary offered to a successful candidate will depend on several factors, which may include, but are not limited to, the type and length of experience applicable to the role and within the industry, education, geographic location, etc. Commercial Real Estate Exchange, Inc (“Crexi”) is a multi-state employer, and this salary range may not reflect positions that work in other states.\nCrexi is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. 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