Jobs at Open Systems Technologies Corporation

Serves as an Information System Security Officer for a large software development and integration program. Responsibilities include enforcing security policies, evaluating security solutions, maintaining system security plans and certification documentation, managing IAVAs and vulnerability remediation, administering identification and authentication, supporting configuration management, and maintaining operational information assurance posture. Requires extensive ISSO experience, security documentation expertise, and a current full-scope polygraph.

Designs, deploys, maintains, secures, and optimizes high-performance PostgreSQL database environments. Troubleshoots performance issues, develops SQL queries and stored procedures, manages backups and recovery, ensures data integrity, and collaborates with cross-functional teams on database solutions. The role also requires staying current with PostgreSQL administration practices and technology trends.

Provides database engineering and Oracle DBA support for complex, distributed intelligence systems. Responsibilities include database architecture, design, administration, migration, replication, backup and recovery, performance tuning, security, schema development, scripting, requirements analysis, documentation, and technical issue resolution. Collaborates with engineering, testing, security, management, and customer teams in an Agile environment, supporting high availability, capacity planning, system optimization, and quarterly PI Planning activities.

Implement and configure identity and access management solutions using SailPoint and other IGA platforms. Develop integrations and APIs, onboard applications, synchronize data, enforce RBAC and access-control policies, maintain security and regulatory compliance, document configurations, prepare governance reports, and collaborate with IT, security, compliance, and project management teams.

Designs and implements cybersecurity architectures, requirements, countermeasures, and vulnerability mitigations for FBI information systems and network environments. The role integrates security with cross-domain solutions, develops secure network designs, ensures confidentiality and integrity, and supports FBI-directed vulnerability remediation. Requires a Top Secret clearance, DoD 8140-compliant cybersecurity certification, familiarity with security assessment tools, and substantial education and experience in cybersecurity or a related discipline.

Designs, deploys, integrates, patches, tests, and supports Windows, VMware, network, storage, backup, and client/server environments in a SOC enterprise setting. Troubleshoots complex infrastructure and communication issues, administers virtualization and network systems, maintains TCP/IP standards, supports certification and accreditation, documents procedures, and advises on infrastructure strategy, technology purchases, and future projects. Requires Top Secret clearance, a bachelor’s degree, Windows and Active Directory experience, and knowledge of NIST and FISMA compliance.

Designs, deploys, tests, patches, secures, and supports data center network infrastructure across physical and virtual environments. Configures LAN, WAN, VLAN, SDN, firewalls, load balancers, and private cloud networking; monitors performance and availability; resolves critical issues; develops automation scripts; maintains documentation, backups, and redundancy; provides advanced support, reporting, and knowledge transfer to government staff.

Provides information systems security engineering for complex, geographically distributed systems. Responsibilities include designing security architectures, validating requirements, assessing and mitigating risks, applying the Risk Management Framework, conducting vulnerability and security testing, auditing configurations, supporting certification and continuous monitoring, enforcing security policies, and collaborating with engineering, development, integration, test, program management, and customer teams.

Support RMF lifecycle for classified systems: develop A&A/ATO packages, implement and validate security controls, perform vulnerability and compliance scanning, manage STIG implementation and patch validation, produce RMF artifacts, and participate in continuous monitoring and risk analysis.

Support the full RMF lifecycle for classified systems: develop and maintain authorization packages, conduct security control assessments, track vulnerabilities and remediation, support continuous monitoring, review configurations and scans, collaborate with system owners and administrators, and participate in audits to maintain ATOs and system security.

Design, develop, test, deploy, and maintain scalable full-stack software and platform solutions. Collaborate with cross-functional teams, troubleshoot complex issues, produce technical documentation, and drive continuous improvement and automation for large-data analytics and on-demand software delivery.

Provide system administration, O&M, and security management for a complex, geographically distributed network. Install/configure applications and servers, patch and harden systems, manage virtualization, handle troubleshooting, maintain documentation, and support air-gapped enclaves and off-site locations.

Design, develop, test, deploy, and maintain scalable cloud-based data applications and OpenSearch/Elasticsearch data layers. Build data ingestion pipelines, implement indexing and query optimizations, deploy to AWS (S3, EC2, Athena), collaborate with cross-functional teams, troubleshoot mission-critical issues, and document procedures while driving continuous improvement.

Provide mid-level Oracle DBA support for BRM/ECE within the Oracle Communications/RODOD stack. Responsibilities include RAC/Data Guard administration, production troubleshooting, performance tuning, backup and recovery, high-availability, and on-call rotational support. Require functional understanding of BRM/ECE processes and collaboration across LATAM/EMEA operations.

Develop, test, and maintain software as part of an agile SAFe/DevOps team. Analyze complex requirements, design using CASE tools, author reusable code and automation scripts, support CI/CD, and participate in planning, BDD/TDD practices, and deployment to test/production environments.

Build and maintain ETL pipelines and data architectures to support a security-focused visual analytics application. Design and construct large relational databases, integrate systems with existing data warehouse structures, develop analytics and scripts to transform varied data formats, and scale, monitor, and operate data platforms using SIEM and ETL tools.

Provide application and OSS/BSS support for Oracle Communications (BRM, charging, billing, mediation, provisioning, order management). Perform production troubleshooting, monitoring, KPI analysis, documentation, maintenance, and 24x7 on-call duties. Coordinate with customers, internal teams, and vendors. Work remotely from LATAM with rotational shifts; Spanish and English required.

Provide Linux system administration for mission-critical HPC and operations environments: monitor, troubleshoot, configure, and maintain Linux systems, filesystems, networking, and applications; automate with Bash; support software builds, configuration management, upgrades, and documentation while collaborating with engineering teams to ensure reliability and performance.

Manage and execute complex end-to-end administrative workflows for a work unit or program, interpret and apply policies, coordinate issue resolution across units, provide comprehensive administrative support, train junior staff, and represent the unit in meetings under minimal supervision. Requires Top Secret (FSP).

Designs, deploys, tests, certifies, operates, patches, and maintains DevSecOps infrastructure and tooling for a large SOC environment. Manages Linux servers, IaaS deployments, cluster architectures, monitoring tools, and cybersecurity-focused infrastructure and application software. Uses scripting to automate operations and troubleshoot interoperability issues.