Jobs at D2 Consulting

Administer Tenable Security Center, Nessus Scanners, and Nessus Manager on Linux platforms. Conduct vulnerability scans, analyze and prioritize findings, support remediation, generate reports, monitor alerts, assist incident response, train users, and maintain secure Tenable environments. The role requires extensive cybersecurity experience, current TS/SCI clearance, DoD certification, Linux expertise, and the ability to pass a government polygraph.

Designs, deploys, secures, operates, and troubleshoots VMware NSX and VCF networking environments. Responsibilities include routing, microsegmentation, firewall policy, integrations, packet-level diagnostics, upgrades, lifecycle management, documentation, compliance, and Tier 3 support. The engineer collaborates across networking, cybersecurity, virtualization, and mission teams in classified Department of War environments while mentoring junior engineers.

Provides advanced desktop and systems administration support for intelligence customers. Troubleshoots complex hardware and software issues, manages Windows, Citrix, VDI, SCCM, configurations, upgrades, backups, audits, and system performance. Supports networked workstations and servers, trains users, documents work, guides junior staff, and leads technical tasks. Requires an active TS/SCI clearance, five or more years of experience, a bachelor’s degree or equivalent, Security+ or CASP, and ITIL v4 Foundations.

Own and evolve application observability strategy through application performance monitoring, instrumentation, SLIs, SLOs, dashboards, alerting, distributed tracing, incident response, and root-cause analysis. Improve monitoring tools and reduce alert fatigue, mentor engineers, and partner with DevOps, SRE, infrastructure, and application teams. Automate monitoring configurations and integrations across cloud and containerized environments.

Administer and optimize a dedicated high-performance compute cluster, including Linux systems, hardware, storage, networking, workload scheduling, containers, and security compliance. Configure Run:AI and SLURM for AI/ML workloads, manage OpenShift environments, support InfiniBand GPU networking, automate maintenance with Bash and Python, and troubleshoot complex infrastructure issues. An active TS/SCI clearance is required.

The role involves maintaining and operating Red Hat OpenShift environments, supporting deployment, collaborating on integration, and ensuring security compliance.

Designs and integrates complex, multi-site enterprise systems across managed service contracts. Responsibilities include assessing requirements, creating technical architecture and integration documentation, supporting hardware and software testing, validating data flows, coordinating service-lane stakeholders, managing tickets, and presenting technical solutions. The role requires active TS/SCI clearance, extensive systems engineering experience, strong technical writing, and familiarity with enterprise networking, virtualization, Linux, storage, backup, security hardening, and RMF practices.

The Hybrid Cloud Platform Engineer will maintain Red Hat OpenShift, support frameworks, manage data services, and ensure compliance across security domains.

Support and develop virtualized application packages for VDI and thick clients, sequence and validate mission applications, persist user settings in non-persistent VDI, automate sequencing, tune VMware SDDC, handle incident resolution and patching, produce design/test/implementation documentation, and provide training to the virtualization and VDI teams.

Support an intelligence customer by packaging and sequencing mission applications for VDI and thick clients, troubleshooting VMware SDDC and VDI infrastructure, improving DR/continuity, applying security patches, documenting designs/test plans, and training staff. Requires TS/SCI clearance and collaboration with testers and SMEs to validate application behavior in non-persistent environments.

Build and maintain cybersecurity data pipelines and SIEM environments, including data ingestion, normalization, log management, event collection, identity monitoring, and infrastructure administration. Resolve escalated issues through root cause analysis, maintain secure 99.99% availability, monitor data-flow degradations, apply patches and hardening, execute maintenance and upgrades, support cloud and virtualized assets, and maintain detailed compliance and service documentation. Collaborate with technical teams, customers, service providers, and government stakeholders.

Administer and maintain AWS infrastructure supporting enterprise cross-domain systems. Responsibilities include provisioning AWS resources, monitoring performance, enforcing security controls, automating administrative tasks with Python, Bash, and AWS tools, troubleshooting infrastructure and application issues, maintaining backups and recovery procedures, and collaborating with development, operations, and security teams.

Build and maintain cybersecurity data pipelines, SIEM platforms, event collection, log management, identity monitoring, and Linux/Windows infrastructure. Perform root-cause analysis, configuration management, patching, hardening, maintenance, testing, vendor upgrades, cloud and virtual machine administration, and compliance activities. Monitor data-flow reliability, document incidents and changes, coordinate with customers and service providers, and maintain secure service availability while following government and agency requirements.

Engineer and sustain large-scale WAN, LAN, and campus networks across multiple security domains for an Intelligence Community customer. Responsibilities include network installation, monitoring, troubleshooting, architecture development, traffic analysis, configuration upgrades, site surveys, satellite communications support, and technology evaluations. The role requires active TS/SCI clearance, extensive enterprise network experience, Juniper expertise, cryptographic device knowledge, DoD architecture familiarity, and IAT II certification. Travel up to 15% is required.

Design, deploy, configure, and maintain cybersecurity infrastructure across on-premises and cloud environments. Secure Windows and Linux systems, implement AWS-based security solutions, modernize enterprise capabilities, and recommend technology improvements. Develop architecture diagrams and capability roadmaps, support testing and network upgrades, represent customer requirements, and coordinate security assessments and authorization processes. The role also provides technical guidance, documentation, stakeholder collaboration, and team leadership in complex DoD environments.

Develops and maintains defensive cyber countermeasures across enterprise networks. Analyzes security data, trends, incidents, and intelligence to identify threats, tune SIEM rules and signatures, investigate potential compromises, and support incident response. Collaborates with defensive operations, cyber analytics, and incident response teams; validates countermeasures through Purple Team exercises; documents analysis and presents findings in briefings.

Develop and maintain AWS-based cloud infrastructure and full-stack applications for an intelligence customer. Automate deployments, optimize performance and costs, integrate authentication, monitoring, security, CI/CD, containers, and Kubernetes orchestration. Build and support TypeScript or JavaScript applications with Angular frontends, microservice backends, relational databases, and REST APIs. Troubleshoot operational issues, refactor legacy code, document systems, gather requirements, participate in Agile ceremonies, write tests, and mentor junior developers.

Build, maintain, and optimize AWS infrastructure and full-stack applications for an intelligence customer. Automate deployments, implement CI/CD pipelines, manage containerized services with Docker and Kubernetes, improve monitoring and security, troubleshoot production issues, integrate authentication and REST APIs, develop JavaScript or TypeScript applications, work with relational databases, document systems, and mentor junior developers in an Agile environment.

Designs and implements secure enterprise network architectures; manages firewalls, routers, switches, load balancers, gateways, IDS platforms, and security tools across corporate and government environments. Leads incident response, develops security procedures, researches emerging technologies, and advises leadership, customers, and government stakeholders on security posture and policies. Requires active TS/SCI clearance, polygraph eligibility, DoD IAT Level II certification, CSSP Infrastructure Support certification, and at least five years of network security experience.

Develop, prototype, and maintain full-stack web applications in an Agile team. Implement backend services (Python), integrate systems, ensure interoperability using open standards, apply user-centered design, iterate from user feedback, document solutions, and collaborate across teams to deliver production-ready cloud applications.