{"id":2284191,"url":"https://alion.io/job/parsons-senior-software-engineer","title":"Senior Software Engineer","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":"Backend","role_family":"Backend","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":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":140000,"max_usd":256000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2993},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Assembly","optional":true},{"name":"Bash","optional":true},{"name":"C++","optional":true},{"name":"IDA Pro","optional":true},{"name":"Linux","optional":true},{"name":"OllyDbg","optional":true},{"name":"Python","optional":true},{"name":"WinDbg","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-12T02:57:39Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"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 looking for an amazingly talented Senior Software Engineer to join our team! In this role you will get to designs, modifies, develops, writes, and implements and tests software and software applications\nWhat You'll Be Doing:\nDesigns, modifies, develops, writes, and implements and tests software and software applications individually or as a team member\nPrimary role is to lead technical design of software systems as well as lead integration testing of software systems\nSupports System Administrators with the installation of software applications\nParticipates in the testing process through test review and analysis, test witnessing and certification of software\nDevelops software documentation\nWorks with system engineering team or software team lead to review and validate system requirements and to derive software requirements from system/subsystem requirements\nWhat Required Skills You'll Bring:\nFifteen [15] years experience in software development and maintenance: ie. software requirements analysis, software design including object oriented analysis and design, coding, testing, documentation, configuration management, user training, deployment, life cycle maintenance. (Relevant Degrees: Electrical/Computer/Software Engineering, Computer Science, Math or Information Systems)\nDocumented formal training on the Software Engineering Institute (SEI) Capability Maturity Model Integration for Development (CMMI-DEV) model or documented experience working on projects that applied some portions of this model\nDocumented formal training on DOD standards for software testing and documentation or documented experience working on projects that applied these standards\nActive TS/SCI w/Polygraph security clearance required.\nWhat Desired Skills You'll Bring:\nExperience in malware analysis and mitigation techniques\nStrong understanding of the Windows and Linux Operating System internals and APIs\nKnowledge of analyzing shellcode, packed and obfuscated and the associated algorithms a plus\nExperience with scripting languages such as Python, Bash, Pearl, etc\nExperience in host and network analysis to identify and characterize anomalies and vulnerabilities in the platform\nExperience documenting findings in reports and briefings\nSecurity certifications a plus: CISSP, C|EH, CREA, GPEN, GREM, OSCP, OSCE\nExperience in x86/x64 assembly and/or C, C++, software reverse engineering, kernel debugging, and/or protocol stacks\nExperience developing computer exploits\nExperience in Software Reverse Engineering with at least 1 of the following tool or an equivalent: IDAPro, GDB, WinDbg, Immunity/OllyDbg\n Security Clearance Requirement:\nAn active Top Secret SCI w/Polygraph 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: $176,900.00 - $332,400.00We 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!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":4726,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"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":"2026-10-11T12:49:04Z"}],"visa":[],"liveness":{"score":73,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.808,"p_room":0.9,"age_days":12,"expected_fill_days":22,"reasons":["conf:3","win:mid","comp:brand"],"computed_at":"2026-10-12T06:25:31Z"},"pay":null,"html_url":"https://alion.io/job/parsons-senior-software-engineer","json_url":"https://alion.io/job/parsons-senior-software-engineer.json","meta":{"generated_at":"2026-10-12T06:25:31Z","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":10346,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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-senior-software-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%2Fparsons-senior-software-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%2Fparsons-senior-software-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/parsons-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-senior-software-engineer"}]}