Cyber Infrastructure Support

Leidos; Chantilly; Sur place; USD 80 000 - 120 000; Plein temps

Résumé du poste

An established industry player is seeking a skilled Cyber Infrastructure Support professional to join a pivotal cybersecurity program. In this role, you will ensure the security and optimization of critical IT infrastructure, support network and server systems, and lead projects that align with business goals. This exciting opportunity involves mentoring junior staff, managing vendor relationships, and responding to security incidents. If you have a passion for cybersecurity and a strong technical background, this position offers the chance to make a significant impact in a dynamic environment focused on national security.

Qualifications

• 12-15 years of experience in IT infrastructure and cybersecurity.
• Active Top Secret/SCI security clearance required.

Responsabilités

• Maintain and secure IT infrastructure while supporting cybersecurity systems.
• Lead IT infrastructure projects and mentor junior staff.

Connaissances

Cybersecurity

Network Management

IT Infrastructure Management

Technical Support

Cloud Computing

Project Management

Scripting (Python, PowerShell, Bash)

Incident Response

Compliance (NIST, ISO 27001)

Formation

Bachelor's Degree

Master's Degree

Doctorate in Technical Domain

Outils

AWS

Azure

Google Cloud

VMware

Hyper-V

Firewalls

VPNs

Description du poste

Description

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Cyber Infrastructure Support to join a new cyber security program and play a key role in supporting government-critical systems. You will be part of a program that oversees development, integration, delivery, and operations and maintenance of IT managed security services, which encompasses support to monitor the cybersecurity threat and security posture situational awareness for the enterprise. This opportunity is in anticipation of a future contract award!

What you’ll be doing:

• Maintain, secure, and optimize organization's IT infrastructure.
• Support critical network, server, and cybersecurity systems to ensure operational reliability, efficiency, and protection against cyber threats.
• Assist in leading the team, strategic planning and advising on technical expertise for the cyber team.
• Train and mentor junior infrastructure support staff, creating knowledge-sharing sessions and best practices documentation.
• Lead IT infrastructure and security projects, ensuring alignment with business goals.
• Manage relationships with security vendors, technology partners, and cross-functional teams.
• Assist in defining IT infrastructure budgets, evaluating new technologies, and optimizing resource allocation.
• Oversee major security incidents, perform root cause analysis, and implement remediation strategies.
• Monitor, maintain, and troubleshoot network systems, servers, and cloud-based infrastructure.
• Provide technical support for IT infrastructure, including hardware, software, and enterprise applications.
• Ensure system uptime, performance, and reliability through proactive maintenance and upgrades.
• Implement and maintain security policies, controls, and monitoring tools to safeguard IT systems.
• Respond to security incidents, conduct investigations, and remediate vulnerabilities.
• Assist in compliance with industry security frameworks (NIST, ISO 27001, CIS, etc.).
• Perform regular patch management, system hardening, and access control reviews.
• Support and configure firewalls, routers, switches, and VPNs for secure network access.
• Monitor network traffic, troubleshoot connectivity issues, and optimize performance.
• Implement network segmentation, IDS/IPS, and endpoint security solutions.
• Manage and troubleshoot cloud infrastructure (AWS, Azure, Google Cloud) and virtualization environments (VMware, Hyper-V).
• Implement cloud security best practices, access management, and disaster recovery planning.
• Maintain accurate documentation of network configurations, security policies, and troubleshooting procedures.
• Collaborate with IT teams, security analysts, and system administrators to enhance IT infrastructure security and performance.

What does Leidos need from me?

• Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be U.S. Citizen.
• Bachelor's degree and 12 to 15 years of prior relevant experience or Master's with 10 to 13 years of prior relevant experience. May possess a Doctorate in technical domain. Experience may be considered in lieu of degree.

Favorable if you have:

• Experience in adult learning principles and instructional design (e.g., ADDIE model, Bloom’s Taxonomy).
• Understanding of ITIL, Agile, or project management principles if teaching IT service management.
• Expertise in specific technologies, such as networking, cybersecurity, cloud computing, software development, databases, etc.
• Relevant industry certifications, such as: CompTIA (A+, Network+, Security+), Cisco (CCNA, CCNP), Microsoft (MCP, MCSA, Azure certifications), Certified Ethical Hacker (CEH), GIAC, or CISSP.
• Experience with automation, scripting (Python, PowerShell, Bash), and Infrastructure as Code (IaC).
• Knowledge of regulatory compliance frameworks (HIPAA, GDPR, SOC 2, etc.).