Top Tech Jobs & Startup Jobs

Provides system administration for complex, geographically distributed and air-gapped environments. Responsibilities include installing and maintaining applications, configuring servers and desktops, managing Active Directory, patching, vulnerability assessments, certificate renewals, virtualization, backups, troubleshooting, security management, performance optimization, and technical documentation. The role supports end users and technical teams, resolves operational issues, coordinates outages and upgrades, and maintains server, storage, and network infrastructure.

Develop and maintain FAA Terminal Flight Data Manager software that improves aircraft runway and terminal congestion. Responsibilities include C++ and Java development in UNIX/Linux environments, user interface framework design, system engineering support, version control, documented software processes, and Agile Scrum collaboration. The role supports air traffic control display software and requires eligibility for Public Trust clearance and FAA Suitability.

Lead development and maintenance of FAA air traffic control display software for the TFDM program. Responsibilities include C++ and Java development on UNIX/Linux, object-oriented design, user interface framework development, system engineering support, version control, documented software processes, and Agile Scrum collaboration. The role supports software improving airport surface and terminal airspace traffic management and requires obtaining and maintaining a Public Trust clearance.

Administer and secure RHEL/Linux infrastructure across development, test, and production environments. Responsibilities include system configuration, lifecycle management, patching, monitoring, troubleshooting, root-cause analysis, vulnerability remediation, security hardening, automation with Ansible, Bash, and Python, documentation, change control, and on-call support. The role collaborates with engineering and operations teams to maintain mission-critical systems in a secure national-security environment.

Supports Tier III operations and maintenance for WAN and LAN networks. Responsibilities include network monitoring, routing and firewall changes, advanced troubleshooting, incident resolution, performance and fault management, configuration testing, topology optimization, documentation, and coordination with users and implementation teams. The engineer also maintains network and systems software, ensures architecture standards compliance, and may perform limited COMSEC duties and after-hours incident support.

Provides Tier 2 and limited Tier 3 computer support in a Network Operations Center environment. Integrates systems and infrastructure, manages CMDB change controls, troubleshoots Windows, server, network, hardware, and application issues, reviews monitoring data, audits systems, assesses risks, and remediates incidents. The role requires independent problem solving, technical documentation, team leadership, flexible shifts, a final Top Secret clearance, and travel to Washington, D.C. as needed.

Develop mission-critical software for missile defense systems using Java, C++, microservices, and containerized environments. Responsibilities include trade studies, systems engineering collaboration, software design and code reviews, testing, deployment, technical documentation, and coordination with contractors and stakeholders. The role supports data integration, analytics, visualization, and decision-support capabilities deployed to Cheyenne Mountain.

Supports Tier III operations and maintenance for customer LAN and WAN networks. Responsibilities include network monitoring, routing and firewall changes, advanced troubleshooting, incident resolution, configuration and testing, topology optimization, performance and fault management, documentation, and technical consultation. The engineer administers routers, switches, boundary protection appliances, operating systems, and network management processes, coordinates with implementation teams, and may perform COMSEC duties and after-hours incident response.

Support DISA Mission Relevant Terrain-Cyber mapping by decomposing task-critical assets and documenting controlled networks and infrastructure. Coordinate with DISA organizations and cyber mission partners, use mission assurance and portfolio systems, develop metrics and KPIs, review tasking and operations orders for compliance, and maintain SOPs, TTPs, instructions, and related process documentation. Present findings through briefings, meeting minutes, after-action reports, and trip reports.

Lead incident response and SOC operations for a large DHS enterprise environment. Analyze cyber threats, investigate incidents, determine root cause and scope, improve tools and processes, implement automation, and apply Cyber Kill Chain and ATT&CK methodologies. Mentor analysts, oversee response teams, strengthen cybersecurity best practices, manage stakeholder relationships, and produce high-quality technical reports. The role requires extensive incident handling, team leadership, CISSP and SANS certifications, U.S. citizenship, and active TS/SCI clearance.