Network Administrator
Mantech
MANTECH seeks a motivated, career- and customer-oriented Network Administrator with a focus on Cisco Networks to join our team in Laurel, MD . You will be part of a mission-driven team delivering enterprise infrastructure capabilities to support a global workforce engaged in national defense operations. This position is part of the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s Enterprise Information Technology (EIT), the backbone platform supporting all enterprise users. You will work with customers, Integrated Product Teams (IPTs), and vendors to deliver secure and reliable network services across Data Center & Compute environments. Responsibilities Maintain and upgrade network infrastructure, including routers and switches Update and configure antivirus software and other tools to secure the network Apply Security Technical Implementation Guide (STIG) updates to switches and follow Software Test and Evaluation (STE) policies Design and plan Cisco NEXUS network infrastructure, including setup and ongoing maintenance Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration Use network monitoring and management tools such as Solarwinds to oversee network performance Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule Minimum Qualifications Bachelor’s degree in a technical discipline from an accredited college or university and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type, and complexity. In lieu of a Bachelor’s degree, three (3) years of additional Network Administration experience with an Associates degree may be substituted OR eight (8) years of additional experience and a High School Diploma Demonstrated experience downloading software and upgrading Cisco switches and firewalls Strong technical background in Cisco FirePower Firewalls IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP) Preferred Qualifications Familiarity with configuring, scripting, and managing Unix, RHEL and Windows operating systems Familiarity with Scanboy Familiarity with JIRA ticketing system Familiarity with Enclave environments Familiarity with Solarwinds Familiarity using LatteART and XACTA Clearance Requirements Must have a current/active TS/SCI with Polygraph Physical Requirements The candidate must be able to move, carry, and deliver workstations from the office to the customer’s desk The person in this position must be able to remain in a stationary position 50% of the time Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations. #J-18808-Ljbffr MANTECH
$116.35k - $210.33k
...Description Senior Network Engineer Leidos – National Security Sector | Cyber & Analytics Business Area Make an Impact Where It Matters Most Leidos is seeking a Senior Network Engineer to join our elite team supporting mission-critical national security programs...SuggestedLocal areaImmediate startFlexible hours- Job Summary Leidos has a new and exciting opportunity for a Systems Network Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . The Systems Network Administrator provides support for implementation, troubleshooting, and maintenance...SuggestedImmediate startFlexible hours
- A leading defense contractor in Maryland is seeking an experienced Systems Network Administrator to support IT systems implementations, troubleshooting, and maintenance. The right candidate will possess 10 years of experience as a system administrator and an IAT Level II...SuggestedFor contractorsFlexible hours
$59.15k - $106.93k
COMFORT SYSTEMS is seeking a Systems Network Administrator in Laurel, MD, to join our National Security Sector. The successful candidate will support IT systems, manage networks, and provide outstanding customer service. Basic qualifications include at least 5 years of...Suggested- ...Network Engineer / Systems Administrator (SA) We are seeking a highly skilled and proactive Network Engineer / Systems Administrator (SA) to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible...SuggestedFor contractors
$59.15k - $106.93k
Description Systems Network Administrator (TS/SCI w/ Poly) Leidos - National Security Sector | Cyber & Analytics Business Area (CABA) Make a Difference in National Security Leidos has an exciting opportunity for a Systems Network Administrator to join our National Security...Immediate startMonday to FridayFlexible hours$116.35k - $210.33k
...Description Leidos is seeking an experienced Network Engineer to join our Defense Enclave Services (DES) team, supporting an extensive... ..., mentoring, and day-to-day direction to network engineers, administrators, and analysts while organizing team priorities, maintaining...Local areaImmediate startRemote work2 days per week- IT Systems & Network Administrator Location: Baltimore, Maryland, United States (Hybrid - 3 days per week remote, 2 days in the office) Hudson Global Scholars (Operating LLC) provides the best U.S. education to school partners and students worldwide. As an IT Systems &...Work at officeRemote workWorldwide3 days per week
- MANTECH is looking for a motivated Network Administrator in Laurel, MD, focusing on Cisco Networks to join its team. You will support mission-driven operations that facilitate national defense. This role within the Enterprise Infrastructure Services requires the maintenance...
$10k
...and problem resolution for all of the client/server/storage/network devices, etc. Provides Tier 2 (Escalation) and Tier 3 problem... ...of system performance and availability Provide server administration with a variety of database products that include Oracle, SQL...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start$114k - $164k
...(BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/Network Administrator with database experience to support the implementation, maintenance, and optimization of IT systems. This role is responsible...Contract workWork experience placementFlexible hours- Leidos is seeking a Systems Network Administrator to support critical national security systems in Laurel, Maryland. This role requires an active TS/SCI clearance and at least 10 years of experience in systems administration. The position offers competitive pay ranging...
$200k - $217k
Overview Network ARCHITECT/ WAN ENGINEER! TS/SCI clearance with polygraph! Responsibilities / Qualifications Education and experience: BS in computer science, information systems, engineering science, or related discipline and 10 years of IT related experience is required...Contract workWork experience placementImmediate start- ...skilled software developer with extensive experience in C development and reverse engineering. The position is for a SAS member in the Network Device team, focusing on cybersecurity/CNO development. Candidates must hold a degree in Computer Science or Computer Engineering...
- MANTECH is seeking a motivated Network Engineer for our Laurel, MD location. The role involves supporting complex customer networks and requires extensive experience with Cisco network equipment and associated technologies, ideally with a Bachelor’s degree and relevant...
- ...MANTECH seeks a motivated, career- and customer-oriented Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation...Work at office
- ...MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Laurel, MD. You will be part of a... ...system software, troubleshoot and maintain integrity and configure network components along with implementing operating systems enhancements...Work at office
- ...Network Architect LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and innovative Network Architect to join our team and help design and implement scalable...Temporary workFor contractorsImmediate startFlexible hours
$176k - $282k
...Senior Network Architect Job Locations US-MD-Annapolis Junction Requisition ID 2026-166062 Position Category Information Technology Clearance Top Secret/SCI Responsibilities Peraton is seeking a Network Architect...Contract workWork at officeFlexible hoursShift work$104k - $166k
Peraton is looking for a Network Engineer (Deployment Technician) to join their team in Annapolis Junction, MD. The role involves providing network architecture, engineering, and deployment services, alongside ensuring secure network connectivity for various projects. Qualified...$104k - $166k
...wide, and highly reliable communications infrastructure by providing Architecture, Design, Development, Testing and Implementation of Network Services for Wide Area Networks (WAN), Campus Area Networks (CAN), Data Center Networks (DCN), and Satellite Communications (SATCOM...Contract workTemporary workShift work$104k - $166k
...wide, and highly reliable communications infrastructure by providing Architecture, Design, Development, Testing and Implementation of Network Services for Wide Area Networks (WAN), Campus Area Networks (CAN), Data Center Networks (DCN), and Satellite Communications (SATCOM...Contract workTemporary workShift work$150k - $225k
...Database Administrator Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as...For subcontractorLocal areaFlexible hours$131.3k - $237.35k
...Description Leidos has an exciting opportunity for a Database Administrator within our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Join a team supporting mission-critical national security programs focused on Security Engineering, CNO,...Local areaImmediate startFlexible hours$81.74 - $91.35 per hour
...Job Title Database Administrator Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing the...Hourly payContract workLocal area$107k - $114k
...Junior Database Administrator The Junior Database Administrator is expected to be able to accomplish the following: Implements and maintains smooth operation and physical design of databases. Conducts performance tuning of indexes and databases in general....Full timeContract workTemporary workLocal areaRemote workShift work$70k
...people. We are seeking a highly skilled and experienced DB2 DBA to join our team. Your role will involve overseeing database administration, performance tuning, troubleshooting, and ensuring the availability, integrity, and security of our DB2 databases. This...Local area- Database Manager Welcome to Interclypse, where innovation meets passion. Every team member is a vital piece of our success story. We are not just a company, but a dynamic community driven by the shared vision of redefining excellence. At Interclypse, you will find more...Temporary workFlexible hours
- Johns Hopkins Applied Physics Lab is seeking a Classified Network Engineer to manage operations and security for six isolated classified networks. This role involves collaboration with security teams and ensuring compliance with regulations, alongside mentoring junior engineers...
$200k - $217k
A leading technology firm in Maryland is seeking a Network Architect/WAN Engineer with a TS/SCI clearance and a strong background in IT. The ideal candidate will have experience in architecting network solutions, WAN design, and problem-solving in complex IT environments...
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