2,047 Results for

Network Security Jobs in Ellicott City, MD

Jobs

Reston, VA18 days ago

Full-time
Employee

Provide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, operating systems programming, system security policy procedures, and/or web strategy and operations. Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including, hardware, software, budgetary, and support facilities and/or equipment.

New!

Laurel, MDToday

$100,000–$245,000

Design, build, and orchestrate threat-representative network topologies and software-defined comms systems incorporating Anti-Detection and Anti-Censorship concepts to serve as test ranges tailored for unique mission profiles. Develop, evaluate, and qualify an evolving portfolio of network and comms enabled capabilities, determining their real-world operational impact, signature footprint, and clandestine survivability.

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Fort Meade, MD5 days ago

Expertise in large-scale IP Networking & Testing with backbone routers (Juniper MX and Cisco ASR9K) running ISIS, BGP/MP-BGP (multi AS), MPLS routing protocols, switches and testing gear including traffic generators from IXIA, Spirent Test Center and Agilent N2X. These technologies include network devices (routers, switches, firewalls, and Intrusion Detection Systems (IDS), and services Authentication, Authorization and Accounting (AAA), Access Control List (ACL), secure remote access (i.e Secure shell, Secure VPN, IPSec), and IPv6 capable devices.

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Vienna, VA1 day ago

Provide technical guidance and collaboration with other Cyber Security Engineers supporting technologies within designated area of focus (Data Scanning). Establish and maintain supporting documentation (architecture/data flow diagrams, runbooks, ServiceNow tickets, user stories and tasks).

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Falls Church, VA2 days ago

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

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Fairfax, VA3 days ago

Requirements Possession of an associate's degree in computer science, electrical engineering, electronics, or a related field; plus four years' network and/or telecommunications experience; or a bachelor's degree in such fields; plus two years' experience in network or telecommunications system design, analysis, installation, and troubleshooting. Diagnose and resolve complex network issues related to routers, switches, firewalls, load balancers, WAN accelerators, wireless devices, and other network devices.

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Washington, DCToday

$190,000–$235,000 Per Year

A mission-focused engineering organization supporting classified U.S. Government programs is seeking an experienced Data Center Operations & Security Lead to oversee secure infrastructure environments within a high-availability facility. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Fort Meade, MD5 days ago

By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level and market conditions when extending an offer. By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next.

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Arlington, VAToday

$59,150–$106,925

Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field. A Network Development Engineer (NDE) designs, builds, and automates large-scale data networks, focusing on scalability, reliability, and performance.

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Odenton, MDToday

$92,300–$166,850

Identify legacy service paths (i.e. dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be enterprise service capability to meet requirements while balancing security, sustainability, and maintainability. Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and unique requirements to develop a design and architecture leveraging approved design patterns.

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Annapolis Junction, MDToday

$154,050–$278,475

The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.

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Greenbelt, MDToday

$116,350–$210,325

Work directly or indirectly with NASA customers, Technicians, Network Engineers and/or Network Architects to execute network design changes or modifications of the NASA network infrastructure, as well as identify, analyze, and resolve issues for customer impacting events that may be escalated to Engineering. Leidos is seeking a highly skilled and experienced Network Engineer III to support the Advanced Enterprise Global Information Technology Solutions (AEGIS) program and join a large Engineering team entrusted with evolving and sustaining the NASA OCIO Enterprise Corporate network.

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McLean, VA5 days ago

We’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.

New!

Laurel, MDToday

$116,350–$210,325

Our Cyber & Analytics Business Area (CABA) brings together experts in Security Engineering, Computer Network Operations (CNO), SIGINT, Mission Software, and Cryptographic Key Management. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Odenton, MDToday

$73,450–$132,775

4+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract Leidos is seeking an experienced Network Sytems Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network.

New!

Washington, DC3 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

New!

Odenton, MDToday

$92,300–$166,850

The successful candidate will provide operational leadership across network infrastructure services, drive team performance, ensure service delivery excellence, and serve as a key interface between Leidos, subcontractor partners, DISA, and customer stakeholders. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Washington DC, DC5 days ago

Remote

$150,000–$180,000 Per Year

This role is ideal for someone who enjoys solving open‑ended technical problems, translating high‑level requirements into well‑architected solutions, and advising on best practices across networking, security, and cost optimization. This is a contract consulting role designed for a hands‑on professional who can independently design, assess, and implement secure, scalable Azure networking and DevOps solutions with minimal oversight.

New!

Odenton, MDToday

$92,300–$166,850

PROGRAM SUMMARY: The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Fort Meade, MDToday

$92,300–$166,850

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. This position will focus on Lifecycle Replacement (LCR) activities for enterprise network infrastructure, including end-of-service (EOS) and end-of-life (EOL) technology refresh initiatives across the enterprise environment.

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Rockville, MD5 days ago

Job Description: Summary: The CIOCC Tier 1 Analyst shall be responsible for the following, but not limited to: Analyze and respond to security events and incidents from SIEM, Firewall (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Endpoint Security Solutions, Network Access Control (NAC) and other client data sources. • 1-3 years of security operations center environment experience or recent college graduate with industry certifications.

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Bethesda, MD1 day ago

$85,000–$85,000 Per Hour

Utilize network tools to diagnose, trace, and validate activity on LAN ports, network gear, and endpoints, analyzing logs and traffic. Requires: professional certification (CCNA or CCNP).Support the network infrastructure for LAN/WAN services at the National Institutes of Health (NIH) on behalf of the Center for Information Technology (CIT).

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Washington, DC3 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

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Columbia, MDToday

$180,000–$230,000

She Recruits is representing a Full-Time Senior ISSE to support enterprise-level cybersecurity architecture and Risk Management Framework (RMF) initiatives. This role provides technical security engineering guidance across complex systems and ensures compliance with government security frameworks.

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Gaithersburg, MD3 days ago

$140,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

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Odenton, MDToday

$73,450–$132,775

As the Network Operations Watch Officer, you will enable Command and Control (C2) of the Department of Defense Information Network (DODIN) by ensuring its overall health through 24/7 monitoring, directing, controlling, coordination, de-conflicting, synchronizing, and reporting the current connectivity status of the physical layer Transport supporting DODIN to DJOC Battle Captains and DISA Current Operations senior leaders. The agency provides, operates, and assures command and control and information-sharing capabilities and a globally accessible enterprise information infrastructure in direct support to joint warfighters, national level leaders, and other mission and coalition partners across the full spectrum of military operations.

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Columbia, MD3 days ago

$110,000–$165,000 Per Year

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Washington, DC3 days ago

$140,000–$190,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.

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Laurel, MDToday

$100,000–$245,000

As a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.

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Dundalk, MD1 day ago

$127,800–$142,000

The Technical Sales Manager (TSM) provides building-systems knowledge & development/design expertise in support of sales efforts for Energy Efficiency focused Infrastructure Renewal and Building Upgrade & Improvement projects. Bachelor's degree in Mechanical Engineering and 8-years of project development or sales engineering experience developing facilities-based or building infrastructure projects or equivalent combination of education and relevant experience.

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Laurel, MDToday

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

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Laurel, MDToday

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

New!

Laurel, MDToday

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

New!

Laurel, MDToday

$105,000–$290,000

We are seeking a self-motivated engineer who will lead and participate with our growing team of PNT specialists focusing on time transformation, synchronization, and dissemination, engaged in developmental efforts beyond geostationary orbits into the cislunar region of space, and ultimately to the lunar surface, and beyond. Whether it is developing the next Jovian moon tour, calculating an optimal low-thrust trajectory, helping to coordinate time between vehicles in cislunar space, or applying modern scientific computing to radiometric navigation, there is a wellspring of intellectually rewarding challenges for the right candidate.

New!

Laurel, MDToday

$105,000–$290,000

Description
Are you a committed problem-solver with passion for operational tactical data communications? Do you thrive working collaboratively where creativity is encouraged? If so, we're looking for you to join our systems interoperability team at APL! We are seeking creative, motivated, and hard-working engineer who is pass...

New!

Laurel, MDToday

$100,000–$245,000

We have custom facilities tailored to specific classes of systems including vehicles, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. Our team specializes in software and hardware reverse engineering, vulnerability research, and developing proof-of-concept offensive cyber capabilities with a focus on embedded systems.

Baltimore, MD17 days ago

$40–$50 Per Hour
Full-time
Employee

Job Details:Role: VMWARE Infrastructure EngineerLocation: Baltimore, MD ( On-site with Hybrid)Duration: 12 Months ContractDuties and Responsibilities:Enterprise Virtualization Management. Education and Years of Experience: Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience).

McLean, VA8 days ago

The ideal candidate will have hands-on experience supporting secure cloud environments, developing repeatable infrastructure patterns, improving deployment workflows, and helping engineering teams deliver workloads more efficiently. Experience developing, maintaining, or supporting CI/CD pipelines using tools such as GitLab CI/CD, Jenkins, GitHub Actions, AWS CodePipeline, or similar platforms.

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Washington, DC5 days ago

The selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities:Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.

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Hanover, MD5 days ago

In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). Perform Reverse Engineering of Hardware Components and Software Applications to design and develop new bleeding edge CNO software.

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Reston, VA2 days ago

$96.21–$99 Per Hour

Mentor junior and senior team members, install, tune, upgrade, troubleshoot, and maintain all relevant computer systems including OS administration, user management, and networking. Implement risk and opportunity management plans, assess risks, develop mitigation and disaster recovery plans, and oversee engineering project planning and execution.

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Reston, VA5 days ago

Advanced routing and traffic engineering (BGP, OSPF/ISIS), path control, and convergence considerations SDWAN and secure connectivity patterns (SASE/SSE where applicable), including segmentation and policy design, QoS design (marking, queuing and shaping), performance engineering (latency/jitter/loss), and capacity planning. • Recommend optimized WAN solutions to Chief Engineer in support of current and long-range planning; collaborate with technical leads to select, recommend, and obtain approvals for tools and technologies that improve efficiency, reduce cost, and increase customer satisfaction.

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Washington DC, DC5 days ago

Remote

As a leader in Secure SD-WAN, SSE (Secure Service Edge), SASE (Secure Access Service Edge) and Next-generation Managed Services, we are empowering organizations across the globe to transform their IT infrastructure for the modern cloud era. Founded by industry veterans and backed by premier venture capital firms, Versa is a market leader driving innovation and growth as it positions itself for a future IPO.

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Fort Meade, MD5 days ago

$87,100–$157,450

They will assist in designing and implementing data enrichment pipelines, integrating multiple data sources into Confluent (Kafka) and Elastic platforms, and help maintain Kafka and Elastic clusters to support mission-critical operations. The candidate will contribute to platform sustainment and reliability by addressing operational challenges and supporting the automation of the software development lifecycle, including CI/CD pipeline development, containerization, and automated testing, while following DevOps best practices.

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Reston, VA5 days ago

$119,800–$234,700 Per Year

Masters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.

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Washington DC, DC5 days ago

We are building the enterprise software infrastructure to capture, catalog, refine, enrich, and protect massive datasets and make them available for real-time data analysis and AI training and inference. Our success has been built through intense innovation, a customer-first mentality and a team of fearless VASTronauts who leverage their skills & experiences to make real market impact.

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Washington, DC1 day ago

$115,000–$130,000 Per Year

System One IT has a direct hire opening for a Senior Systems and Azure Cloud Engineer to be responsible for the design, implementation, maintenance, and optimization of the organization’s IT infrastructure, including servers, storage, networking, virtualization platforms, and cloud services. Background/Skills/Abilities Preferred:Bachelor’s degree in Information Technology, Computer Science, Engineering, or related field preferred; equivalent experience and relevant certifications will be considered instead of a degree.

New!

Gaithersburg, MD5 days ago

$87,100–$157,450

The TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Linthicum, MDToday

Preferred Qualifications: Working knowledge of the DoD Information Network (DODIN), DoD IT system and network certification and accreditation processes (i.e., RMF), to include system security authorization agreements and current and emerging cybersecurity threats. This role involves evaluating vulnerabilities, translating threat intelligence into technical mitigations, and supporting C3I systems engineering efforts.

New!

Washington DC, DC5 days ago

Remote

$110,000–$150,000 Per Year

As a leader in Secure SD-WAN, SSE (Secure Service Edge), SASE (Secure Access Service Edge) and Next-generation Managed Services, we are empowering organizations across the globe to transform their IT infrastructure for the modern cloud era. A candidate’s specific pay within this range will depend on a variety of factors, including job-related skills, training, location, experience, relevant education, certifications, and other business and organizational needs.

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Network Security Jobs in Ellicott City, MD

Network Engineer II Company Confidential

Network Effects Engineer Johns Hopkins Applied Physics Laboratory (APL)

IP Network Test Engineer By Light Professional IT Services

Data Security Engineer System One

Sr Cloud Security Engineer PlanIT Group

NOC Network Engineer System One

Data Center Operations & Security Lead (TS/SCI w/ Poly) Jobot

Communications Network Engineer III By Light Professional IT Services

Network Development Engineer Leidos

Sr. Network Engineer Leidos

Lead Security Engineer with TS/SCI Poly Leidos

Network Engineer III Leidos

Computer Security Systems Specialist By Light Professional IT Services

Senior Network Engineer Leidos

Network Systems Engineer Leidos

Senior Cloud Security Specialist (API) - onsite System One

Network Support Manager Leidos

DevOps/Azure Networking - Remote Levi, Ray & Shoup

Network Integration SME Leidos

Network Engineer Leidos

Information Security/Privacy Analyst I PlanIT Group

Network Administrator System One

Sr. Cloud Security Specialist (AWS) System One

Senior ISSE (Information Systems Security Engineer) - (TS/SCI FS Poly Req) Gables Search Group

Sr. Software Engineer Jobot

Network Operations Watch Officer Leidos

System Integration & Test Engineer Jobot

RCDD Technology Engineer Jobot

Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory (APL)

Principal Technical Sales Manager - Federal Engineer Projects Constellation Energy

Formal Verification and Software Assurance Engineer Johns Hopkins Applied Physics Laboratory (APL)

Radar Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior Engineer / Analyst for ISRT & BMC2 Applications Johns Hopkins Applied Physics Laboratory (APL)

Spacecraft Navigation & Timing Engineer Johns Hopkins Applied Physics Laboratory (APL)

Interoperability and Communications Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer / Cyber Capability Engineer Johns Hopkins Applied Physics Laboratory (APL)

VMWARE Infrastructure Engineer Creative Global Consulting, LLC

Cloud Platform Engineer Credence

IT - Systems Engineer II PlanIT Group

CNO Reverse Engineer MANTECH

Lead Systems Engineer - AWS Cloud System One

Enterprise Architect PlanIT Group

Sr. Systems Engineer - Remote Versa Networks

Data Engineering Specialist Leidos

Site Reliability Engineer - CTJ - POLY Microsoft

Senior Systems Engineer - Global Financials VAST Data

Sr. MS Systems and Azure Cloud Engineer (hybrid) System One

Lead Software Engineer Leidos

System Engineer Varada Consulting

Cloud Services Engineer - Remote Versa Networks

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