{"id":2211874,"url":"https://alion.io/job/momentus-senior-devsecops-engineer","title":"Senior DevSecOps Engineer","company":{"id":58682,"name":"Momentus","domain":"momentus.space","url":"https://alion.io/company/momentus","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":190000,"max":225000,"currency":"USD","period":"year","gross":null,"usd_annual":225000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"AWS Bedrock","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"DNS","optional":false},{"name":"Go","optional":false},{"name":"IAM","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"OpenAI","optional":false},{"name":"OpenTofu","optional":false},{"name":"PKI","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Vertex AI","optional":false},{"name":"VPN","optional":false},{"name":"Amazon EKS","optional":true},{"name":"ArgoCD","optional":true},{"name":"FedRAMP","optional":true},{"name":"GitOps","optional":true},{"name":"Istio","optional":true},{"name":"LiteLLM","optional":true},{"name":"Service Mesh","optional":true},{"name":"SRE","optional":true}],"status":"live","first_seen_at":"2026-10-10T00:10:58Z","employer_posted_date":"2026-10-10","last_verified_at":"2026-10-12T08:47:32Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"OUR COMPANY\nAs an early mover in the in-space transportation and infrastructure services, Momentus is at the forefront of the commercialization of space. With an experienced team of aerospace, propulsion, and robotics engineers, Momentus has developed a cost-effective and energy-efficient in-space transport system. \nOUR PEOPLE\nDaring problems require daring solutions. We boldly charge into uncharted territory knowing that no matter the outcome we will benefit from the journey and move closer to our goals no matter what. Our teams know that working at Momentus means more than building innovative technology, it means creating entirely new markets in the space economy. We are level-headed, business-minded strategic thinkers intent on providing immediate value to our customers today while simultaneously preparing for the vast possibilities of the future. If this sounds like you, we should talk.\nJOB SUMMARY\nWe are seeking a Senior DevSecOps Engineer to operate the cloud infrastructure our engineering teams depend on today and to build its successor from the ground up. The current environment spans AWS, Kubernetes, and CI. The next one is a new AWS GovCloud organization defined entirely as code, with the networking, identity, and software supply chain that a regulated engineering organization needs. \nYou will keep the existing environment healthy while the new one takes shape, then move workloads into it. You will also run the tooling that gives our engineers governed access to AI models and coding agents.This is a building role on a small team, and the scope is broad by design. You will not maintain a compliance binder; you will turn security requirements into code that produces its own evidence. \nPreference for this role to be onsite but will consider hybrid and remote candidates. \nKey Responsibilities \nOperate and improve our existing AWS environments, Kubernetes clusters, and CI platform, and migrate workloads into the new organization as it comes online \nBuild a new multi-account AWS GovCloud organization as code \nBuild and operate segmented network planes: Transit Gateway, Firewalls, IPAM, PrivateLink, and VPNs to our facilities \nDeliver secure environment ingress / egress \nOwn the software supply chain from commit to cluster: CI/CD runner fleets, FIPS-validated images, signed artifacts, replicated registries, private PKI \nPartner with security and compliance to translate NIST SP 800-171 and CMMC controls into automated guardrails and evidence, and to triage and burn down security findings \nWrite clear design notes, merge request reviews, and runbooks, and help improve the shared AI-assisted workflows the team uses every day \nRoll out and support AI developer tooling (Claude Code and similar) with managed settings, and review, harden, and operate the MCP servers and agent runtimes our teams depend on \nRequired Skills and Experience \nProduction Terraform or OpenTofu: reusable modules, state management, imports and refactors, and careful plan review \nProficiency in Python and/or Go, plus shell scripting \nClear, concise technical writing \nDeep hands-on AWS experience in a multi-account organization: IAM policy evaluation, Organizations and service control policies, and Identity Center or equivalent federation with an external IDP \nCloud networking you can debug under pressure: VPC design, Transit Gateway routing and segmentation, firewalls and inspection, DNS, PrivateLink, and site-to-site VPN with BGP; you can answer “why can’t X talk to Y” across accounts \nCI/CD and container supply chain experience, including image builds, signing and verification, secrets management, and vulnerability scanning \nHands-on experience running access to a hosted model service (Amazon Bedrock, Azure OpenAI, Vertex AI, or similar) or an LLM gateway \nExperience with AI coding agents (Claude Code or equivalent), with a working understanding of its risks: prompt injection, excessive agency, token and secret exposure, and untrusted tool servers \nDesired Skills and Experience \nAWS GovCloud experience, or work inside FedRAMP, NIST SP 800-171, CMMC, or ITAR-controlled environments \nGreenfield landing-zone or account-vending work, including AWS Network Firewall and IPAM \nPrivate PKI (for example AWS Private CA), HSM-backed key management, and mTLS \nService mesh (Istio or similar) and GitOps tooling (Argo CD, Flux, or similar) \nLLM gateway operations (LiteLLM or equivalent), per-user cost attribution, and model invocation logging \nBuilding or securing MCP servers and agent workflows \nShared AI workflows you built that other engineers adopted: hooks, commands, rules files, skills, or agent pipelines \nOperating Kubernetes in production, preferably EKS \nFIPS 140-3 validated cryptography and hardened container images \nExperience in aerospace, defense, or other export-controlled programs \nPrevious experience working on DoD and other USG development and deployment programs \nAbility to hold and maintain a USG Security Clearance \nEducation & Work Experience \nBS in Computer Science, Computer Engineering, or a related field, or equivalent practical experience \n7+ years in infrastructure, platform, security, or site reliability engineering, including 3+ years building on AWS with infrastructure as code \nCompensation: \nAnnual Base Salary Range: $190,000.00 - $225,000.00/per year \nBase pay is one part of our total compensation package (base+bonus+equity) and is determined within a range. Your actual base salary will be determined on job-related knowledge and skills, education, and experience. Our benefit plans include medical, dental, and vision insurance, 401k retirement plan, short and long term disability and life insurance. We also offer flexible PTO, along with 11 paid holidays, sick time and paid parental leave.\nThis is a full-time position in San Jose, California. This position requires access to export-controlled commodities, technical data, technology, software, and services. U.S. citizenship, U.S. legal permanent resident status, or protected person status under 8 U.S.C. § 1324b(a)(3) is required. \nAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.\nTo all recruitment agencies: Momentus does not accept agency resumes. Please do not forward resumes to our employees or any company email. 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