{"id":2264919,"url":"https://alion.io/job/progress-software-senior-principal-software-engineer-3","title":"Senior Principal Software Engineer","company":{"id":9210,"name":"Progress Software","domain":"progress.com","url":"https://alion.io/company/progress-software","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jobvite","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":214000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1790},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Bash","optional":false},{"name":"Linux","optional":false},{"name":"TCP/IP","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-10-11T06:18:55Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T14:25:07Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI-powered applications and experiences with agility and ease. We’re proud to have a diverse, global team where we value the individual and enrich our culture by considering varied perspectives because we believe people power progress. Join us as a Software Engineer, Senior Principal in our LoadMaster engineering team and help us do what we do best: propelling business forward.\nThis senior individual contributor role blends deep, hands-on software development with sustained technical leadership and ownership of critical LoadMaster areas. You will act as a technical authority across complex subsystems and architectural domains while staying actively involved in design, implementation, and complex problem solving. Your focus is the ongoing evolution, performance, security, and long-term maintainability of the LoadMaster platform.\nIn this role you will:\nOwn engineering for critical functional and architectural areas of LoadMaster\nDesign, implement, and deliver core features and platform components\nServe as the technical authority for complex subsystems and problem areas\nDrive performance, scalability, security, and maintainability improvements\nLead deep problem analysis and resolution across the stack\nGuide engineering requirements and architectural impact assessments\nLead proofs of concept and prototypes to validate designs and de-risk approaches\nProvide ongoing technical guidance to globally distributed teams\nMentor senior engineers and elevate engineering practices\nCollaborate with product, engineering leadership, and peers on roadmap and trade-offs\nChampion high-quality code, reviews, and continuous improvement\nContribute to cross-team standards, tooling, and automation\nYour background:\nExtensive experience delivering complex, high-performance Linux systems\nExpert C systems programming with a focus on low-latency TCP/IP networking\nDeep knowledge of Linux internals: networking stack, memory, kernel-userspace\nProven performance engineering: profiling, bottleneck analysis, optimization\nStrong security background: threat modeling, cryptography, secure design\nAdvanced Bash and Linux tooling for automation and diagnostics\nSolid understanding of CPU, memory, NUMA, and I/O for optimization\nExperience mentoring senior engineers and leading cross-team impact\nIt will be beneficial if you have:\nExpertise in authentication, WAF, load balancing, proxy architectures, and TLS\nExperience with embedded Linux and hardware acceleration\nBackground in distributed systems across cloud or virtualized environments\nObservability practices across complex systems\nIf this sounds like you and fits your experience and career goals, we’d be happy to chat.\nWhat we offer in return is the opportunity to experience a great company culture with wonderful colleagues to learn from and collaborate with and also to enjoy:\nCompensation:\nGenerous remuneration package\n\nEmployee Stock Purchase Plan Enrollment\n\nVacation, Family, and Health:\n25 vacation days annually\n\nBirthday day off\n\nCommunity service time off\n\nInternational Women’s Day - March 8 is an official holiday for all employees\n\nPension plan\n\nGroup life assurance\n\nIncome protection coverage in case of long-term illness or injury\n\nPrivate health insurance\n\nHybrid working\n\nCycle to Work scheme - tax-efficient bike and equipment purchase\n\nApply now!\n#LI-Remote\n#LI-GV1\nTogether, We Make Progress\nProgress is an inclusive workplace where opportunities to succeed are available to everyone. As a multicultural company serving a global community, we encourage a wide range of points of view and celebrate our diverse backgrounds. Our unique combination of perspectives inspires innovation, connects us to our customers and positively affects our communities. It is only by working together and learning from each other that we make Progress. Join us!","description_format":"text","description_chars":3956,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance","Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-11T06:18:55Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":32,"reasons":["conf:4","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/progress-software-senior-principal-software-engineer-3","json_url":"https://alion.io/job/progress-software-senior-principal-software-engineer-3.json","meta":{"generated_at":"2026-10-12T17:02:59Z","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":27184,"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":9210},"rest":"https://alion.io/mcp/rest/get_company?id=9210"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fprogress-software-senior-principal-software-engineer-3"},{"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%2Fprogress-software-senior-principal-software-engineer-3"},{"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%2Fprogress-software-senior-principal-software-engineer-3"},{"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/progress-software-senior-principal-software-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fprogress-software-senior-principal-software-engineer-3"}]}