{"id":2069879,"url":"https://alion.io/job/parsons-frontend-engineer-top-secret","title":"Frontend Engineer - Top Secret","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Frontend","role_family":"Frontend","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":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":119000,"max_usd":218000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CesiumJS","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"OpenLayers","optional":false},{"name":"Playwright","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"AWS","optional":true},{"name":"Docker","optional":true},{"name":"Kubernetes","optional":true},{"name":"Three.JS","optional":true}],"status":"live","first_seen_at":"2026-10-07T00:00:00Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-17T03:57:34Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nParsons is seeking a talented Frontend Engineer to help develop next-generation applications supporting critical defense and national security missions. In this role, you will design and build highly responsive, intuitive user interfaces that help operators and decision-makers understand complex operational environments. You will work with large data streams, interactive 2D and 3D maps, real-time situational awareness tools, and other data-intensive visualizations.\nThis is an opportunity to solve challenging frontend engineering problems while contributing to software that supports important missions.\nWhat You'll Be Doing:\nShape frontend architecture: Help define and evolve the architecture of complex applications using React, TypeScript, and modern state management patterns.\nBuild data-rich interfaces: Develop intuitive, reusable user interface components for real-time data analysis, visualization, and mission-focused workflows.\nDevelop mapping and visualization tools: Implement high-performance 2D and 3D mapping components using technologies such as OpenLayers, CesiumJS, WebGL, or comparable frameworks.\nWork with large datasets: Create interfaces capable of rendering and interacting with substantial geospatial datasets, real-time feeds, and multiple map layers.\nOptimize application performance: Identify and resolve rendering bottlenecks, memory issues, network inefficiencies, and interaction latency, including on hardware-constrained systems.\nSupport data-intensive workflows: Use asynchronous programming, web workers, and efficient data-processing techniques to manage demanding visualization and analysis requirements.\nIntegrate secure services: Collaborate with backend and DevOps engineers to integrate APIs, cloud-native services, authentication mechanisms, and secure data pipelines.\nCollaborate across disciplines: Work closely with UX and UI designers, product owners, systems engineers, and mission users to create effective and intuitive experiences.\nMaintain engineering quality: Write maintainable, well-tested code; participate in technical design discussions and code reviews; and promote frontend standards and best practices.\nMentor and support teammates: Help mentor junior and mid-level engineers and contribute to a collaborative, high-performing engineering culture.\nContribute to technical direction: Evaluate tools and technologies, identify opportunities for improvement, and help guide the evolution of the application platform.\nRequired Clearance:\nMust be a U.S. Citizen.\nMust have an active Top Secret Clearance. \nWhat Required Skills You'll Bring:\nMust be a U.S. Citizen.\nBachelor's Degree Computer Science, Computer Engineering or related field and 5+ years of professional software engineering experience with a heavy emphasis on React and modern frontend ecosystem tools. Additional years of experience may be considered in lieu of a degree. \nSignificant professional experience developing frontend applications with React and TypeScript.\nStrong knowledge of modern JavaScript, including ES6 and later, asynchronous programming, and contemporary frontend development practices.\nExperience designing and implementing reusable, maintainable user interface components.\nExperience working with geospatial data, mapping technologies, or data visualization, including one or more of the following: GeoJSON, KML, Raster or vector tiles, Coordinate reference systems, Geospatial APIs, OpenLayers, CesiumJS, MapLibre, Mapbox, or comparable libraries\nExperience diagnosing and improving browser performance, including rendering, memory usage, network activity, and application responsiveness.\nExperience developing automated tests using tools such as Jest, Cypress, Playwright, or comparable frameworks.\nStrong communication, collaboration, and problem-solving skills.\nAbility to work effectively in a mission-focused and highly collaborative engineering environment.\nWhat Desired Skills You'll Bring:\nExperience deploying applications in secure or regulated cloud environments, including AWS GovCloud.\nFamiliarity with Docker, Kubernetes, and cloud-native application deployment.\nExperience supporting DoD cybersecurity or compliance requirements, including applicable Impact Level requirements.\nExperience developing 2D or 3D geospatial visualizations using CesiumJS, Three.js, WebGL, or related technologies.\nExperience developing custom WebGL shaders or optimizing GPU-accelerated visualizations.\nExperience processing real-time or streaming data.\nExperience working with geospatial databases, spatial analysis tools, or geospatial web services.\nExperience mentoring engineers or leading frontend technical initiatives.\n Security Clearance Requirement:\nAn active Top Secret security clearance is required for this position.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":6949,"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":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Events & Ticketing","Government","Military","Homeland Security"],"lifecycle":[{"event":"open","at":"2026-10-08T06:02:59Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.558,"p_room":0.35,"age_days":10,"expected_fill_days":4,"reasons":["conf:1","velocity","win:tail","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/parsons-frontend-engineer-top-secret","json_url":"https://alion.io/job/parsons-frontend-engineer-top-secret.json","meta":{"generated_at":"2026-10-17T23:28:36Z","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":1760,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-frontend-engineer-top-secret"},{"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%2Fparsons-frontend-engineer-top-secret"},{"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%2Fparsons-frontend-engineer-top-secret"},{"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/parsons-frontend-engineer-top-secret\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-frontend-engineer-top-secret"}]}