Are you ready to make an impact and join a creative, forward-thinking team? We’re looking for innovators and forward-thinkers to help us do great things.
Leidos is seeking a Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to DISA and Fourth Estate Agencies.
**This is a Monday-Friday day shift; however, must be flexible to shift changes depending on mission requirements. Need to be open to Mids or swing shift, as needed **
CLEARANCE REQUIREMENT:
Must hold an active Secret security clearance. (US Citizenship required)
PRIMARY RESPONSIBILITIES:
Designing, maintaining, and operating Local Area Networks (LANs) and Wide Area Networks (WANs), Wireless, Internet connectivity, and Network Security
Maintain existing network equipment, installing new equipment in plant environments.
Optimize end-to-end system performance and dataflow management.
Conduct data captures to obtain network performance information.
Minimize network latency and maximize data throughput through design analysis and network performance monitoring tools.
Provide input to the design of the organization's network and mission architecture.
Design solutions, integrate, configure, deploy, test and provide ongoing maintenance for numerous types of network devices, interfaces and methodologies.
Configure and optimize the network to connect various front-end and back-end components.
Gather needed data to specify system/component performance and interface requirements.
Implement specific network solutions to support server requirements to include load-balancing, VPN’s, firewall contexts, Traffic Shaping Voice over IP (VoIP), GRE Tunneling, IP Security (IPSec), IP Encryption,
Media over IP (MoIP), and network address translation (NAT) where appropriate.
Must have flexible working hours to be available to support team when needed to include: occasional on call support (typically one week at a time every two months) or additional hours based on mission need.
BASIC QUALIFICATIONS:
Knowledge of routing protocols (BGP, OSPF, EIGRP, IS-IS)
Knowledge of TCP/IP, ACL, NAT, Policy Based Routing, SDWAN, QoS, high availability, VoIP, Wireless, DHCP, DNS
Excellent network hardware troubleshooting experience
A Bachelor’s degree and 4+ years of network engineering experience; additional years of experience may be substituted in lieu of a degree.
Excellent analytical capabilities including creative problem solving and root cause analysis.
Committed to documentation and organization efforts.
Capable of multitasking while working in a constantly shifting environment with many moving pieces.
Must have a DoD IAT level II baseline certification, prior to start (Sec+).
PREFERRED QUALIFICATIONS:
Knowledge of proper procedures, techniques, tools and equipment used to install, maintain and repair wireless communications systems and subsystems. Knowledge of electronic and wireless theory including digital, analog, and circuitry.
Proficiency with Cisco IOS or other IP/transport network protocols and general practices. Expertise in IP technologies, i.e. Networking architectures and methodologies and Voice Services.
Expert Knowledge of IP principles.
Proficiency in at least two or more of the following devices: Cisco routers, Palo Alto Firewalls, Cisco switches, KG175.
Proficiency in at least one of the following tools: Science Logic, Catalyst Center, Ansible tower.
CCNP Enterprise certification preferred
Experience interpreting, implementing, and assessing DISA STIGs
Implementing network security controls like firewalls, intrusion prevention systems (IPS), and intrusion detection systems (IDS).
Configuring routers, switches, and other network devices with security best practices.
Implementing and managing security patches and updates.
Configuring and managing firewalls, VPNs, and other security appliances.
Tuning security devices for optimal performance and security.
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:July 14, 2025For 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.
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.
Top Skills
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.
