Jobs at Horizon Industries

Lead day-to-day system administration for cloud and on-prem systems: install, configure, maintain, optimize, and secure servers and networks. Perform capacity and performance analysis, automate admin tasks, train staff, manage application networking and load balancing, and conduct vulnerability management while supporting CUI and government security requirements in a fully remote Agile environment.

Develop, test, maintain, and document software applications supporting government programs. Translate requirements into program specifications, assist with design and code modifications, resolve errors, prepare testing and status reports, and support sustainment lifecycle activities. Collaborate with analysts, designers, developers, testers, project managers, Scrum Masters, and government stakeholders in a remote Agile environment. The role also facilitates team collaboration, quality reviews, conflict resolution, performance reviews, and project quality assurance.

Paid four-week Appian internship involving structured training and hands-on low-code application development. The intern will assist with building workflows, interfaces, reports, integrations, testing, documentation, troubleshooting, Agile activities, and end-user training under senior developer guidance. The role supports Federal Government consulting projects and may lead to full-time Appian Consultant employment.

Monitors SIEM and cybersecurity tools across a defense enterprise to detect, analyze, and respond to threats. Performs incident response, root cause analysis, log and traffic review, APT detection, OSINT research, and defensive control implementation. Supports cybersecurity tools, applications, Defense-in-Depth signatures, and perimeter controls. Requires five years of IT experience, cybersecurity incident analysis experience, DoD certifications, and an active Top Secret clearance.

Lead Appian software development teams, scope and design business solutions, guide Agile scrum delivery, and mentor junior developers. The role requires Appian implementation leadership, database and systems integration expertise, advanced SQL and database knowledge, requirements discovery, data modeling, BPM application design, code reviews, and technical solution architecture. US citizenship and CompTIA Security+ certification are required.

Develops and sustains enterprise software applications using MuleSoft Anypoint Platform and low-code/no-code technologies. Translates business and system requirements into application designs, specifications, integrations, and code. Collaborates with business analysts, systems architects, and designers to implement third-party applications and APIs. Supports testing, documentation, reporting, and lifecycle management. The role requires experience with BPMN-based automation, agile development, Microsoft technologies, APIs, and MuleSoft development.

Supports information collection and organization for manuals, training materials, installation guides, proposals, and reports. Edits technical and customer-facing documentation, assists with financial and administrative tasks, and maintains systems, operations, and procedural documentation libraries. Collaborates remotely with project managers, requirements analysts, Scrum Masters, developers, testers, and government stakeholders in Agile ceremonies while complying with CUI and cybersecurity requirements.

Owns enterprise quality and compliance certifications, including CMMI, ISO standards, and CMMC Level 2. Leads readiness assessments, audit coordination, evidence collection, corrective actions, policy and document control, and maintenance of quality and information security management systems. Supports proposals with certification evidence, coaches project teams on compliance processes, reports risks and audit metrics to leadership, and tracks changes to CMMC, DFARS, and ISO/CMMI requirements.

Provides cybersecurity engineering support across information-system planning, design, testing, integration, and maintenance. Analyzes threat data from logs, IDS, intelligence reports, and vendors; creates Splunk ES dashboards, rules, reports, monitors, and use cases; and supports incident handlers and information assurance managers. Administers, configures, troubleshoots, upgrades, maintains, and backs up the DLA Splunk architecture and backend infrastructure.

Develops SIEM threat-detection use cases, alerts, signatures, and scripts based on emerging threats and MITRE ATT&CK. Evaluates log-feed quality, identifies security analytics gaps, and collaborates with cybersecurity stakeholders and tool SMEs to prioritize monitoring for critical systems and applications.

Conducts proactive threat hunting across enterprise networks, analyzing logs, network data, attacker techniques, and threat intelligence to identify malicious activity. Develops hunting strategies, automation, and tools; identifies vulnerability mitigations; supports incident response; and leads analysis of advanced persistent threats or other compromises. Requires expertise in threat intelligence, incident response, penetration testing, reverse engineering, or digital forensics, plus a Top Secret clearance.

Monitors SIEM and cybersecurity tools in a 24x7x365 environment to detect, analyze, and respond to threats. Reviews logs and traffic for attacks, APTs, and compromise indicators; performs root cause analysis; uses threat intelligence and OSINT; supports cybersecurity tools; and applies defense-in-depth signatures and perimeter controls. Develops scripts and tools using SPL, Python, or PowerShell to improve threat detection and incident response.

Collects and analyzes cybersecurity threat intelligence for operational technology environments. Produces actionable threat reports and briefings, reviews OT logs and alerts for attacks, supports incident response and root cause analysis, identifies protection and detection gaps, assists remediation, and serves as the subject matter expert on OT cybersecurity threats, vulnerabilities, PLCs, and SCADA systems.

Reviews, consolidates, and develops cybersecurity policies with government approval; evaluates IT policies, standards, guidelines, and procedures; provides technical support to programs; balances security and operational needs; and briefs senior management on policy updates and progress.

Provides cybersecurity engineering support for information-system planning, design, development, testing, demonstration, and integration. Analyzes security requirements and resolves cybersecurity, workflow, organizational, and planning issues. Supports Defense Logistics Agency systems while engineering and administering Archer, Splunk SOAR, Axonius, Microsoft Windows Server, and Python-based solutions.

Develop and sustain full-stack applications supporting DISA’s IDEAS system in a secure DoD environment. Responsibilities include Java and JavaScript development, database and web-service integration, cloud deployment, testing, troubleshooting, Tier 2/3 support, root-cause analysis, documentation, and Agile/Scrum collaboration. The role also supports cybersecurity standards, release activities, configuration control, system monitoring, and integration with DoD and federal systems.

Administers and secures Oracle databases supporting DISA contract systems. Responsibilities include database installation, tuning, access management, outage response, disaster recovery, security patching, STIG compliance, scripting, release support, data modeling, legacy data migration, reconciliation, and system integration. The role also supports Appian data stores and coordinates database changes with DISA, hosting providers, ISSOs, and development teams.

Administer and secure IDEAS across development, staging, and production environments. Responsibilities include managing RHEL and application platforms, patching, system builds, access controls, certificates, log analysis, security remediation, change control, documentation, and Authority to Operate support. The role serves as key personnel and alternate ISSO, coordinating with database, security, DISA, and hosting teams.

Develops, tests, maintains, and sustains software applications using APIs, low-code/no-code platforms, BPMN automation, MuleSoft, .NET, and SQL Server. Translates requirements into program specifications, supports application design and modifications, and contributes to testing, documentation, and reporting. The role requires agile and hybrid development experience, a MuleSoft certification, DoW-approved IAT Level I certification, a relevant degree, and an active Secret clearance.

Administer, configure, maintain, deploy, test, and troubleshoot enterprise applications, middleware, operating systems, and infrastructure. The role supports application servers such as JBoss, WildFly, and WebLogic in large-scale government or enterprise IT environments. Responsibilities include applying system and application security best practices, resolving technical issues, and collaborating independently or with technical teams. An active Secret clearance and technical bachelor’s degree are required.