Senior Juniper Network Engineer

Description Job Description:Looking for an opportunity to make an impact?Leidos is looking for a Senior Juniper Network Engineer on the ESA V program, in Lorton, VA. ESA V is an IT applications and infrastructure services program supporting several customers within the Department of Justice (DOJ). The program provides a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. This customer unit is responsible for providing field communications support to their field agents, officers, and investigators worldwide. This position will provide expert level network engineering support to manage and maintain the equipment, networks and web applications that support the field communications systems deployed by our customer. Location: Onsite at customer site in Lorton, VASchedule: Work hours are Monday through Friday, 9am - 5pm.The candidate will be subject matter expert skilled in Juniper SRX-series branch routers, Juniper EX-series switches, Cisco Firepower ASA firewalls, AnyConnect VPN clients, TrippLite serial consoles, Ethernet & TDMA delivered Private IP & Internet circuits, Private APN cellular networks, Network Time Protocol (NTP). Extensive experience in the implementation of information security (IS) best practices & performance of work in accordance with the Federal Information Security Modernization Act (FISMA) to ensure that systems can maintain accreditation.This position requires working independently in a fast-paced, dynamic environment. The ideal candidate will be personable and articulate and will focus on making sure that the customer''s needs are met quickly and effectively. He or she will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers to understand requirements, issues, and mission needs, and then to be able to translate them into actions. Responsibilities include: Learn a new Government system and become the single Subject Matter Expert for all systems dependently provide network engineering operations and maintenance (O&M) support for a mission-critical government system; support the system as the SME on the team, requiring broad and deep knowledge across the applicable technologiesJuniper SRX-series security devices, certified at the JNCIP-SEC or JNCIE-SEC levels; ensure configurations consistent with industry best practices & FISMA; implement defense-in-depth methodology by using appropriate firewall rules, security policies and other IS-consistent configurations; monitor pre-shared key (PSK) and AutoVPN virtual private network (VPN) links; implement high availability (HA) configurations as neededJuniper EX-series switches using 1Gbps & 10Gbps backplanes; implement connectivity with Juniper & other vendor technologies using copper & fiber; implement high availability (HA) as neededCisco Firepower ASA firewalls using AnyConnect for client VPN access; implement high availability (HA) as needed; ensure connectivity to backend authentication services; ensure secure configuration for remote network & network resource accessDesign & maintain out-of-band (OOB) management network using TrippLite serial consoles, iDRAC and other technologies to ensure secure & available management of network devicesWorking with customer personnel, contractors, vendors to participate in design & specification of Private IP (PIP) and Internet circuits to support systemsEnsure high availability of Network Time Protocol (NTP) across all networks to ensure consistent & accurate time is available to all servers & network devices.Work within configuration management process to ensure consistent & secure modifications to equipment configurationsDevelop and maintain technical documentation and diagrams related to the field communications systems equipment & networksIf this sounds like the kind of environment where you can thrive, keep reading!Required Qualifications:Bachelor''s degree with 12+ years of experience or a Masters degree with 10+ years experience. High school diploma with 4+ years experience may be considered in lieu of a degree.Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer''s information. Current clearance is not required, but selected individual cannot start the assignment until the required security clearance is granted by the customer. U.S. CitizenSubject Matter Expert on Juniper network infrastructureExtensive experience in providing O&M support to complex, mission-critical systemsExtensive experience on designing, implementing and configuring network infrastructureExtensive Experience working independently and collaboratively to troubleshoot and correct operational issuesWorking closely with customers and users to troubleshoot and resolve complex user issuesAbility to brief customer to include senior managementExtensive experience configuring, designing, implementing and troubleshooting with following technologies:Juniper SRX-series branch routersJuniper EX-series switchesCisco Firepower ASA firewallsAnyConnect VPN clientsTrippLite serial consolesEthernet & TDMA delivered Private IP & Internet circuitsPrivate APN cellular networksNetwork Time Protocol (NTP)Information security (IS) best practices & Federal Information Security Modernization Act (FISMA), and accreditationConfiguration management processEstablish goals and project plan objectivesExcellent communication skillsExcellent interpersonal skills and work well with team members and customersDesired Qualifications:Security Engineering ExperienceParticipated in ATO processBusiness Analysis/Requirements Development ExperienceTechnical Writing and Documentation ExperienceGovernment contracting experience, particularly with the DOJDOJ ClearanceProgram Specific Salary Range: $150K to $165KPay Range:Pay Range $101,400.00 - $156,000.00 - $210,600.00The 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.

Created: 2025-10-04