Network and Systems Engineer

We are looking for a Network and Systems Engineer to join our team in Huntsville AL, where you will have the opportunity to configure, maintain, troubleshoot, and secure systems, network devices, test equipment, and support advanced technologies.

From our Emerging Space Systems offices in San Diego and Huntsville, Leidos provides responsive, cost-effective InfraRed (IR) Payloads that are hosted on satellites in earth orbit to support the Space Development Agency’s National Defense Space Architecture. The Network and Systems Engineer must be a self-starter, comfortable in a fast-paced environment, and a continuous learner. This position will be part of the Defense Systems Cyber Department, which will support products across the entire Leidos Defense Portfolio.

Primary Responsibilities:

Play a pivotal role in ensuring the capability, quality, and reliability of our delivered products.

Work closely with our systems engineering, software engineering, hardware engineering, and quality assurance teams in the design, build, and test spacecraft payloads.

Manage system/server resources including performance, capacity, availability, serviceability, and recoverability.

Configure, maintain, troubleshoot, and secure systems and network devices to comply with DISA Security Technical Implementation Guides (STIGs).

Maintain records on workstations, servers, routers, firewalls, network switches, etc. to include system upgrades.

Update servers, clients, applications, antivirus updates, maintain Active Directory, DNS, apply security patches, Continuous Monitoring logging, SCAP, etc.

Verify application software/network/system security postures are implemented as stated, document deviations, and recommend required actions to correct those deviations.

Basic Qualifications:

Bachelor’s degree in relevant field with 0+ years of experience.

Experience, training, and certification requirements for IAW DoD 8570.01 IAT level II or IAM level III.

Basic knowledge or hands-on experience with the installation, configuration, deployment, and troubleshooting of physical servers, workstations, and associated IT infrastructure.

Basic knowledge of Linux operating systems, preferably Red Hat Enterprise Linux (RHEL), including command-line operations, user management, file permissions, system configuration, and troubleshooting.

Familiarity with Windows operating systems, Active Directory, Group Policy, user account management, and general workstation administration.

Familiarity with server room operations, including equipment racking, cabling, network connectivity, hardware component installation, and routine maintenance.

Understanding of networking concepts and protocols, including TCP/IP, DNS, DHCP, IP addressing, subnetting, VLANs, and basic network troubleshooting.

Preferred Qualifications:

Understanding of cybersecurity best practices, vulnerability management, system hardening, and security compliance frameworks such as NIST, DFARS, and DISA STIGs.

Understanding of software quality assurance best practices and the ability to contribute to the improvement of software processes.

Knowledge of configuration management and automation tools such as Ansible, with basic familiarity in YAML, Bash, or PowerShell scripting.

Familiarity with security monitoring and vulnerability assessment tools such as Splunk and Tenable Nessus for log analysis, vulnerability identification, and remediation tracking.

Ability to work in a highly technical, team-oriented environment that includes customers and co-workers.

Strong desire to learn and constantly improve.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: November 12, 2026

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 $57,850.00 - $104,575.00

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.