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Leidos’ Defense Systems Land Systems is seeking a Modeling and Simulation System Administrator to join our team…with the ability and experience to work missile defense projects within the BMD Simulations and Analysis Portfolio. As a Software Developer, you’ll directly support the Agile Software Development in achieving specific program objectives in support of our nation’s defense. In this role, you will also develop, create, and modify general computer applications software or specialized utility programs. Also, analyze user needs and develop software solutions for our customer. The ideal candidate will possess excellent analytical and problem-solving skills, be a strong team player, and can establish solid working relationships with peers and technical staff members within the program.
If this sounds like the kind of environment where you can thrive, keep reading!
Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!
Are you ready to make an impact? Share your resume with us today!
Primary Responsibilities
The selected individual will be responsible for performing daily system administration and O&M support activities in support of a complex physical and virtual environment. The position entails the daily sustainment of existing computing and network systems. Will be responsible for monitoring infrastructure systems, applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely manner. In this role you will provide support for all infrastructure systems and will respond to hardware and software incidents impacting local users as well as working with and taking directions from ISSM.
Additional responsibilities include:
- Working with other system administrators and technicians in identifying, troubleshooting, and correcting hardware and software issues including network connectivity.
- Providing hands on technical assistance in support of overlapping projects and maintaining good inter-departmental relations.
- Communicating with users and publishing status of any system outages, as needed.
- Proactively contacting customers when infrastructure processes are significantly delayed or may impact their ability to complete a business function on time.
- Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs.
- Initiating IAVA responses and system security scans; completing remediation; extending IAVA patches and security updates on various IT and network systems.
- Participating in the creation and ongoing maintenance of documentation to ensure clear, concise and accurate information is readily available to assist with incident resolution.
- Providing support for implementing IT enhancements and undertaking project work.
- Handling IT Help Desk calls and emails, ensuring all interactions are handled timely and in a professional manner.
- Utilizing enterprise monitoring solutions to identify alarms that have been triggered against the environment.
Basic Qualifications
- Bachelor’s degree with 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience
- Demonstrated experience in one or more of the following: Infrastructure as Code (IaC) using Ansible or similar technology
- Demonstrated experience in one or more of the following: Using Azure/AWS or similar technology
- Demonstrated experience in one or more of the following: Linux Servers, DNS servers, Domain controllers, network storage devices and HP or Dell servers
- 3+ Years’ experience with Linux Operating System Administration (i.e., RHEL8, etc.)
- Demonstrated experience designing, configuring and installing information systems such as routers, servers, switches, storage systems and laptops.
- Security+ Certification or obtain within 90-days of start.
- Must be a US citizen possess and be able to maintain an active secret clearance
- Full time onsite support
- Must be a resident of the North Alabama area.
Preferred Qualifications
- Demonstrated experience deploying the complete DevSecOps lifecycle including integration of build pipelines, automated deployments, and compliance scanning using test driven development.
- Experience with vulnerability remediation and security management (system hardening, log management, configuration management (i.e., Nessus, McAfee, WSUS, Splunk, ACAS, SCAP, HBSS, etc.))
- Experience with Virtualization (i.e., VMware, Horizon, vSphere, vCenter, vSAN)
- Experience with Risk Management Framework (RMF) Requirements and Security Technical Implementation Guide (STIG) Implementation
- Demonstrated experience in the deployment, automated deployments, and compliance scanning using test driven development.
- Demonstrated experience with issue tracking tools such as Gitlab/VersionOne/Agility.
- Relevant DoD and/or Industry work experience in Missile Defense
Original Posting:April 11, 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 an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
