Description Are you ready to make a significant impact? At Leidos, we pride ourselves on delivering innovative solutions through our diverse team of talented professionals who are committed to our customers' success. We empower our teams, contribute positively to our communities, and operate in a sustainable manner. Our mission is built on a commitment to do what's right for our customers, our teams, and the community. The Leidos National Security Sector (NSS) combines cutting-edge technology-enabled services and mission software capabilities across cyber, logistics, security operations, and decision analytics to support our defense and intelligence customers in their fight against rapidly evolving global threats.
Your greatest work awaits. The Multi-domain Solutions Division (MDS) within Leidos National Security Sector is on the lookout for a skilled Senior Systems Administrator to be a vital part of a new cybersecurity program. You will play an essential role in supporting critical government systems by overseeing the development, integration, delivery, and operations of IT managed security services. This position is aimed at reinforcing our capabilities to monitor cybersecurity threats and enhance security posture across the enterprise. This opportunity is in anticipation of a future contract award.
Your responsibilities will include: - Ensuring the reliability, security, and efficiency of servers, networks, cloud environments, and enterprise applications.
- Overseeing system architecture, troubleshooting complex issues, and leading automation and optimization initiatives.
- Applying extensive expertise in systems administration, cloud technologies, cybersecurity, and automation, while mentoring junior IT staff.
- Designing, deploying, and maintaining enterprise server environments, including Windows, Linux, and hybrid cloud infrastructures.
- Managing and optimizing virtualization platforms such as VMware, Hyper-V, or cloud-based solutions.
- Overseeing storage, backup, and disaster recovery solutions to ensure business continuity.
- Automating system administration tasks using tools like PowerShell, Bash, Python, or Infrastructure as Code (IaC).
- Implementing and enforcing security best practices, including system hardening and access controls.
- Conducting vulnerability assessments, patch management, and compliance audits (e.g., NIST, ISO 27001, SOC 2, HIPAA).
- Collaborating closely with cybersecurity teams to identify and mitigate security threats.
- Managing and optimizing cloud environments (AWS, Azure, Google Cloud) for both performance and security.
- Overseeing network infrastructure (firewalls, VPNs, load balancers) to ensure optimal connectivity.
- Leading hybrid cloud integration and migration strategies.
- Providing technical guidance and mentorship to junior system administrators and IT support teams.
- Collaborating with cross-functional teams to develop IT strategies and roadmaps.
- Evaluating emerging technologies and recommending innovative solutions to enhance operational efficiency.
- Troubleshooting and resolving complex system and network issues in high-availability environments.
- Monitoring system performance, analyzing trends, and implementing capacity planning strategies.
- Developing and maintaining technical documentation, SOPs, and system diagrams.
What we need from you: - Active Top Secret/SCI (TS/SCI) with Polygraph security clearance required. Must be a U.S. Citizen.
- Bachelor's degree with 8 to 12 years of relevant experience, or a Master's degree with 6 to 10 years of relevant experience. Candidates with a Doctorate in a technical domain or equivalent experience in lieu of a degree will also be considered.
It's a plus if you have: - Microsoft Certified: Azure Solutions Architect Expert.
- AWS Certified Solutions Architect - Professional.
- VMware Certified Professional (VCP).
- CompTIA Advanced Security Practitioner (CASP+), CISSP, or GIAC Certifications.
Original Posting: March 28, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days, with a closing date no earlier than 3 days following the original posting date.
Pay Range: Pay Range $89,700.00 - $162,150.00
The Leidos pay range for this job level serves as a general guideline only and is not a guarantee of compensation or salary. Additional factors considered when extending offers include but are not limited to job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreements, or other laws.