{"id":16465,"url":"https://alion.io/job/horizon3-federal-platform-engineer","title":"Federal Platform Engineer","company":{"id":3088,"name":"Horizon3","domain":"horizon3.ai","url":"https://alion.io/company/horizon3","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":76,"open_postings":17,"ghost_share":0,"stale_share":0.941,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-10-20T05:45:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":154000,"max_usd":288000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":362},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon EKS","optional":false},{"name":"Amazon S3","optional":false},{"name":"Ansible","optional":false},{"name":"Argo Workflows","optional":false},{"name":"ArgoCD","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"Configuration Management","optional":false},{"name":"Confluence","optional":false},{"name":"Crossplane","optional":false},{"name":"Datadog","optional":false},{"name":"Docker","optional":false},{"name":"External Secrets","optional":false},{"name":"FedRAMP","optional":false},{"name":"GitLab CI","optional":false},{"name":"HashiCorp Vault","optional":false},{"name":"IAM","optional":false},{"name":"Jira","optional":false},{"name":"K3s","optional":false},{"name":"Kubernetes","optional":false},{"name":"Okta","optional":false},{"name":"OpenSearch","optional":false},{"name":"Platform Engineering","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"NIST 800-53","optional":true}],"status":"live","first_seen_at":"2026-05-28T17:14:30Z","employer_posted_date":"2026-05-28","last_verified_at":"2026-10-21T04:27:10Z","board_verified":true,"closed_at":null,"days_open":145,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":144},"description":"Get to Know Us\nHorizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs.\nWe are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, \"checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn-it-alls, committed to a culture of respect, collaboration, ownership, and results.\nSummary/Overview\nWe are looking for a Federal Platform Engineer to help lead the deployment and operation of our product infrastructure in multiple federal environments ranging from FedRAMP through Classified workloads. Your goal will be to help build, maintain and improve our platform running in AWS. Your expertise in cloud infrastructure, kubernetes, cloud infrastructure, and tools like Terraform, Ansible, and GitLab CI will be essential in creating scalable and secure systems that enable innovative experimentation. Join us in shaping the future of our platform, driving growth and empowering developers with a flexible and efficient environment.\nEssential Functions\nImplement highly scalable, secure, resilient cloud-native application platforms that host core company applications, toolings, and other services vital to enabling our product to perform in all AWS regions where we are deployed.\n\nIdentify, design, and deploy improvements in development and deployment processes so engineers can begin deploying anytime with confidence.\n\nDesign and implement tooling for the internal platform to collect telemetry data used to gauge its effectiveness in supporting H3's engineers.\n\nHelp create an effective documentation culture within the Engineering Organization (Confluence, Documentation as code).\n\nParticipate in effective project management and work allocation (Jira, Agile Concepts).\n\nCreate Terraform modules and Crossplane compositions that are easily consumed by all of engineering.\n\nBe a positive example of automation for infrastructure-as-code, platform operations, and overall CI/CD methodologies.\n\nEvaluate new technologies and patterns for automation, application hosting, and improving infrastructure provisioning. Recommend and define the work needed.\n\nCompetencies\n5+ years of experience in DevOps, Platform engineering, or related roles.\n\nAbility to manage concurrent initiatives and use effective judgment in prioritization and time management.\n\nCreative, self-motivated, pragmatic, disciplined, detail and results oriented.\n\nExcellent analytical/problem solving ability.\n\nStrong understanding and experience with solution design and flow\n\nStrong technical documentation and communication\n\nTools\nExperience using Claude Code or other AI-enabled development tooling\n\nGitlab CI/CD\n\nArgo Events, Argo Workflows, Argo CD\n\nSSO (OIDC, SAML, Okta, Social Sign-ins)\n\nInfrastructure as Code (Terraform, Crossplane)\n\nSecret Management (HashiCorp Vault, AWS Secret Manager, External Secrets Operator)\n\nConfiguration Management (Ansible)\n\nShell Scripting\n\nProgramming Languages (GoLang required, Python a plus)\n\nContainer Engines (Docker)\n\nKubernetes (RKE2, K3S, EKS)\n\nLogging and Metrics (Datadog, OpenSearch)\n\nCloud Technologies:\nAWS Core Services\nCompute (EC2, Lambda, EKS)\n\nStorage (S3, EBS)\n\nDatabase (AuroraRDS - Postgres)\n\nNetworking (VPC, VPCe, RT53)\n\nEvent-Driven Architecture (SQS, EventBus)\n\nSecurity (IAM Roles and Policies, KMS, Cloudtrail)\n\nUser Management (Cognito, Organizations, SSO)\n\nEducation:\nBachelors in Computer Science or STEM or equivalent experience\n\nMS in Computer Science a plus\n\nCitizenship/Clearance\nUS Citizen Required\n\nPossess or ability to gain and maintain Top Secret security clearance required\n\nNice to Haves\nExperience in FedRAMP, CC SRG, NIST 800-53, or Authority to Operate (ATO) process.\nOther duties\nPlease note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.\nWhy H3\nCompetitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave.\n\nGrowth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities.\n\nInnovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.\n\nHybrid & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location, including our Chicago office, where some roles require regular in-office presence.\n\nInclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive.\n\nTravel Required\nWe are a fully remote company, and this job may require up to 5% of travel to be successful. Job-related travel expenses are reviewed and must be approved by your manager.\nCompensation Disclosure\nIn accordance with various State’s transparency regulations, we provide the following salary range information for this position:\nBase salary range: The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.\n\nAdditional compensation: All full-time roles are eligible for an equity package in the form of stock options.\n\nWe are committed to pay equity, fairness, and transparency. All candidates will be evaluated based on their skills, experiences, and potential contributions without regard to race, gender, age, or any other protected status. Horizon3 is an equal opportunity employer and is committed to providing a work environment that is free from discrimination and harassment. We do not discriminate based on race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, or any other legally protected status.\nWe encourage all qualified candidates to apply for open positions with our company and welcome candidates from all backgrounds and experiences. We are committed to providing equal employment opportunities to all employees and applicants for employment and will make reasonable accommodations to enable individuals with disabilities to perform the essential functions of their roles.\nJoin Horizon3 ’s team of passionate professionals and contribute to the growth of cutting-edge cybersecurity solutions while building strong customer relationships in a dynamic and remote work environment.","description_format":"text","description_chars":7358,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Dental insurance","Equity","Flexible vacation policy","Growth opportunities","Hybrid work","Parental leave","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","Information Security","Vulnerability Management","Cybersecurity AI"],"lifecycle":[{"event":"open","at":"2026-05-28T17:14:30Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.2,"p_room":0.28,"age_days":144,"expected_fill_days":39,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/horizon3-federal-platform-engineer","json_url":"https://alion.io/job/horizon3-federal-platform-engineer.json","meta":{"generated_at":"2026-10-21T04:48:12Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":7083,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3088},"rest":"https://alion.io/mcp/rest/get_company?id=3088"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhorizon3-federal-platform-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhorizon3-federal-platform-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhorizon3-federal-platform-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/horizon3-federal-platform-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhorizon3-federal-platform-engineer"}]}