{"id":1302928,"url":"https://alion.io/job/ast-science-software-engineer-ii-cybersecurity-encryption-dod-programs","title":"Software Engineer II – Cybersecurity & Encryption (DoD Programs)","company":{"id":2057930,"name":"AST SpaceMobile","domain":"ast-science.com","url":"https://alion.io/company/ast-science","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":65,"open_postings":202,"ghost_share":0.584,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-27T05:45:00Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lanham, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":177000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":194},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":true},{"name":"CI/CD","optional":true},{"name":"Git","optional":true},{"name":"Java","optional":true},{"name":"Linux","optional":true},{"name":"Microsoft Office","optional":true},{"name":"Outlook","optional":true},{"name":"PKI","optional":true},{"name":"Python","optional":true},{"name":"Rust","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2026-07-21T21:53:10Z","employer_posted_date":"2026-09-03","last_verified_at":"2026-09-28T01:08:28Z","board_verified":true,"closed_at":null,"days_open":68,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":67},"description":"AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.\nPosition Overview\nWe are seeking a Software Engineer II - Cybersecurity & Encryption to support the development, integration, and maintenance of secure software solutions for government, defense, and other mission-critical programs. In this role, you will design and implement cybersecurity features, encryption technologies, and secure communications capabilities that protect sensitive data and ensure compliance with rigorous security requirements.\nThe ideal candidate has a strong background in secure software development, applied cryptography, vulnerability remediation, and cybersecurity best practices. This individual will collaborate closely with software engineers, systems engineers, security professionals, and program stakeholders to deliver secure, reliable, and high-performing solutions.\nKey Responsibilities\nDesign, develop, and maintain secure software applications and services supporting mission-critical programs.\nImplement and integrate cryptographic algorithms, encryption technologies, and secure communications protocols into software systems.\nDevelop and maintain authentication, authorization, access control, and key management capabilities.\nPerform secure code reviews, vulnerability assessments, and remediation activities to address identified security risks.\nSupport security compliance activities by implementing and documenting required technical controls aligned with industry and government cybersecurity standards.\nCollaborate with cybersecurity teams to address findings from security assessments, vulnerability scans, and penetration testing activities.\nParticipate in the full software development lifecycle, including requirements analysis, design, development, testing, deployment, and sustainment.\nDevelop well-structured, maintainable, and testable code using modern programming languages and development tools.\nSupport integration activities involving secure computing environments, hardware security technologies, and encrypted communications systems.\nContribute to technical documentation, design reviews, security assessments, and engineering reviews.\nSupport DevSecOps initiatives, including automated security testing, software assurance, and secure deployment processes.\nResearch emerging cybersecurity threats, cryptographic technologies, and industry best practices to support continuous improvement efforts.\nQualifications\nEducation\nBachelor's degree in computer science, computer engineering, cybersecurity, software engineering, or a related technical discipline.\nRelevant cybersecurity certifications are a plus. \nExperience\nA minimum of 4 years of professional software engineering experience with a focus on cybersecurity, secure software development, or encryption technologies.\nExperience developing software applications in secure or regulated environments.\nExperience implementing cryptographic libraries, encryption protocols, or secure communications technologies.\nExperience with software development lifecycle methodologies and secure coding practices.\nExperience working within Linux or Unix operating environments. \nPreferred Qualifications\nExperience supporting government, defense, aerospace, space, telecommunications, or other highly regulated industries.\nExperience with cryptographic protocols, key management systems, and public key infrastructure (PKI).\nFamiliarity with cybersecurity frameworks, risk management methodologies, and security compliance standards.\nExperience supporting security accreditation, authorization, or compliance efforts.\nExperience integrating software with hardware-based security technologies.\nKnowledge of secure communications systems, embedded software, or mission-critical applications.\nExperience with containerization, cloud-native security, or secure DevSecOps practices.\nFamiliarity with secure software testing, static analysis, and vulnerability management tools.\nExperience supporting CI/CD pipelines and software automation frameworks.\nActive security clearance or eligibility to obtain and maintain a government security clearance. \nSoft Skills\nStrong interpersonal skills with the ability to collaborate effectively across technical and non-technical teams.\nProven ability to work successfully within cross-functional and multidisciplinary engineering environments.\nExcellent written and verbal communication skills, including technical documentation and stakeholder presentations.\nStrong analytical and problem-solving skills with the ability to troubleshoot complex software and security challenges.\nMeticulous attention to detail to ensure the accuracy and integrity of software, security controls, and technical documentation.\nStrong organizational and time-management skills with the ability to manage multiple priorities and deadlines.\nSelf-motivated with the ability to work independently and take initiative.\nAdaptability and flexibility in a fast-paced, evolving technology environment.\nCommitment to continuous learning and professional development in cybersecurity and software engineering. \nTechnology Stack\nProgramming languages: C, C++, Java, Python, Rust, or equivalent.\nCryptographic libraries and secure communications technologies.\nVersion control systems (Git or equivalent).\nLinux and Unix operating systems.\nStatic and dynamic application security testing tools.\nCI/CD and DevSecOps platforms.\nContainerization and virtualization technologies.\nSecurity scanning and vulnerability management tools.\nIntegrated Development Environments (IDEs) and software debugging tools.\nMicrosoft Office Suite (Word, Excel, PowerPoint, Outlook).\nCollaboration, documentation, and project management platforms. \nPhysical Requirements\nAbility to work in a standard office environment and use a computer for extended periods.\nAbility to review technical documentation, software requirements, architecture diagrams, and engineering data.\nAbility to participate in meetings, design reviews, security assessments, and collaborative engineering sessions.\nAbility to perform detailed software analysis, troubleshooting, and debugging activities.\nMay occasionally work in laboratory, integration, testing, or operational environments.\nAbility to travel occasionally as required for program support, customer meetings, training, or testing activities.\nAdditional Requirements\nEligibility to obtain and maintain a U.S. government security clearance.\nU.S. citizenship may be required based on program and contract requirements.\nThis job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. \nAST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.","description_format":"text","description_chars":7522,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","Telecommunications"],"lifecycle":[{"event":"open","at":"2026-09-26T12:21:47Z"}],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.315,"p_room":0.28,"age_days":67,"expected_fill_days":25,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-09-27T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ast-science-software-engineer-ii-cybersecurity-encryption-dod-programs","json_url":"https://alion.io/job/ast-science-software-engineer-ii-cybersecurity-encryption-dod-programs.json","meta":{"generated_at":"2026-09-28T02:43:11Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1469,"day_limit":5000,"remaining_today":3531,"minute_limit":60,"resets_at":"2026-09-29T00:00:00Z"}}}