{"id":2425313,"url":"https://alion.io/job/attainx-software-and-database-developer-iv-3","title":"Software and Database Developer IV","company":{"id":4781,"name":"Attainx","domain":"attainx.com","url":"https://alion.io/company/attainx","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"part_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":132000,"max":145000,"currency":"USD","period":"year","gross":null,"usd_annual":145000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Django","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"PHP","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Ruby","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-02T21:52:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-13T16:43:30Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Job Title: Software and Database Developer IV\nLocation: Remote/Hybrid - DHS CISA, 4200 Wilson Boulevard, Arlington, VA 22203 and 4601 N. Fairfax Drive, Arlington, VA 22203.\nWork Schedule: Monday through Friday.\nSecurity Requirements: Must be a US Citizen eligible to obtain/maintain aDHS/CISA Public Trust level clearance.\nAttainX is seeking a Software and Database Developer IV to support the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Critical Infrastructure Collaboration Platform (CICP). This role independently develops, integrates, delivers, and sustains applications across the full technology stack and manages complex databases. The developer resolves complex technical and business issues, improves performance and reliability, and may serve as a team lead while coordinating with the manager and Government stakeholders.\nQualifications and Education Requirements:\nBachelor’s degree in computer science, information technology, engineering, or a related field.\n7+ years of related experience in software development, database administration, or a combination of these disciplines.\nExperience independently delivering software products from functional specifications using front-end, back-end, database, and hosting tools.\nExperience with AWS, API integration, cloud-based architecture, deployment, and application sustainment.\nProficiency in development languages and web technologies, such as C#, C++, JavaScript, Python, Ruby, Java, PHP, SQL, and HTML/CSS.\nExperience with database platforms such as SQL Server, Oracle, MySQL, MongoDB, and Redis; ability to design, configure, optimize, and maintain complex databases.\nExperience with version control tools such as Git, SVN, or Mercurial and development frameworks or stacks such as MEAN, Django, LAMP, or Ruby on Rails.\nExperience developing test plans and performing unit, integration, regression, and deployment validation testing.\nExperience resolving database performance and capacity issues, performing backups and recovery, and managing access and data integrity.\nAbility to work highly independently on complex technical and business matters, communicate clearly, and provide technical guidance or team leadership.\nMust be a U.S. citizen able to obtain and maintain required DHS Public Trust eligibility; Federal or DHS/CISA experience is preferred.\nWorking knowledge of secure coding, software configuration management, change control, vulnerability remediation, and technical documentation.\nJob Duties:\nThe Software and Database Developer IV supports development, operations, maintenance, and enhancement of CICP applications and databases. Responsibilities include:\nIndependently develop, integrate, and deliver applications from functional specifications using front-end, back-end, database, and hosting tools.\nComplete coding, UI/UX implementation, database integration, and deployment across all layers of the stack; translate approved user requirements into working software.\nDevelop and maintain APIs and cloud-based application architecture using approved AWS services; integrate applications, databases, and enterprise interfaces.\nDesign, manage, and maintain complex databases, including schemas, data structures, configurations, and access methods supporting application requirements.\nEvaluate and optimize database configurations, queries, indexes, and access; resolve performance bottlenecks and capacity issues.\nPerform and validate database backups, recovery, and restore procedures; document results and support service continuity and data protection.\nAdvise users on access to multiple databases; investigate data conflicts and inappropriate usage, and coordinate corrective actions and access controls.\nTroubleshoot complex application and database issues, correct programming errors, and implement enhancements based on technical findings and user feedback.\nProvide test plans; develop and execute unit, integration, regression, and database tests, documenting results and validating changes before release.\nMaintain source code, version history, software baselines, and database configurations through approved version control and change management processes.\nDeploy upgrades and enhancements using approved release, rollback, and validation procedures; implement patches, security updates, and vulnerability remediation.\nMonitor application and database health, performance, and capacity; recommend preventive maintenance, automation, and resource optimization.\nProtect data integrity and sensitive information, including Protected Critical Infrastructure Information (PCII); coordinate secure coding, access, and data handling with security teams.\nMaintain technical documentation, test plans, troubleshooting procedures, and deployment records; support help desk knowledge transfer and timely response to escalated communications.\nMay serve as a team lead, coordinate technical work, and mentor colleagues; independently advise the manager on complex technical and business matters.\nStay current with development and database practices; recommend approved improvements and use software consistent with DHS Technical Reference Model requirements.\nNon-Essential Functions:\nOther related duties as assigned.\nAbout Us\nAttainX, Inc. delivers technology solutions, software products, and professional services to Federal Government customers. Our people are central to achieving our customers’ missions. We support quality, collaboration, and employee growth through teamwork and professional development.\nBenefits\nWe are proud to offer competitive compensation and benefits packages, including paid vacation, medical, dental, and vision insurance, a matching 401(k) plan, tuition/training reimbursement, and long- and short-term disability coverage, subject to plan terms and eligibility.\nEEO Commitment:\nAttainX is an equal employment opportunity employer committed to a workplace free from discrimination. We provide equal opportunity to applicants and employees without regard to race, color, religion, sex, national origin, age, disability, protected veteran status, or any other status protected by applicable law.\nAccommodations:\nApplicants and employees who need a reasonable accommodation for the application process or to perform essential job functions may contact Human Resources at AttainX.\nPhysical Demands:\nThis position primarily involves computer-based work, developing and reviewing software, databases, and technical materials, and communicating with team members and stakeholders. Essential functions may be performed with or without reasonable accommodation.\nWork Environment:\nWork locations are DHS CISA, 4200 Wilson Boulevard and 4601 N. Fairfax Drive, Arlington, VA 22203. General contract hours are 8:00 a.m. to 4:00 p.m. Eastern Time, Monday through Friday, excluding federal holidays, with core availability from 9:00 a.m. to 3:00 p.m. Office noise is generally moderate. 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