2,630 Results for

Senior Security Jobs in Maryland

Jobs

New!

MONTGOMRY VLG, MD6 days ago

$165,000–$185,000 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. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

New!

Gaithersburg, MD6 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.

New!

Cockeysville, MD6 days ago

$80,000–$100,000 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. The successful candidate will work closely with our finance team to maintain financial reports, records, and general ledgers, prepare and analyze budgets, and perform general accounting.

New!

Rockville, MDToday

The ideal candidate will have 5+ years of relevant legal experience in an in-house legal department, law firm, or similar environment, with experience spanning some combination of board support, contract administration, legal operations, commercial contracting, and corporate paralegal work. This role provides broad-based legal support across board and committee support, routine commercial contracting, legal operations, systems management, and selected public company and intellectual property support.

Patuxent River, MD14 days ago

Experience performing complex evaluations of existing procedures, processes, communication techniques, models, and/or systems related to management problems for the corporate operations for a major Legislative or Department of Defense (DoD) Echelon Command / Secretariat; past experience supporting a Navy or Marine Corps Command Element preferred. Job duties will include, but not be limited to: Ensure project procedures and controls are followed, manage manning and staffing project efforts, and lead problem resolution efforts.

Patuxent River, MD14 days ago

This individual must have direct experience supporting the corporate operations for a major Legislative or Department of Defense (DoD) Echelon Command / Secretariat; past experience supporting a Navy or Marine Corps Command Element preferred. A BS or BA degree in Business Administration , Management or other relevant technical discipline is required in addition to at least six (6+) years of professional experience in an office operation or managment support contract.

Patuxent River, MD14 days ago

knowledge sufficient to support senior Navy Leadership in facilitating sand developing command wide strategic planning and Enterprise level vision documents, administering large organization executive board meetings, and developing command-wide documentation. At least five (5) years of experience as an analyst of which at least 3 years must be specialized in a program management, technical, or business analysis discipline; and included in the five (5) years, there must be three (3) years professional experience supporting NAVAIR.

Patuxent River, MD17 days ago

This role serves as a strategic leader responsible for guiding analytical approaches, shaping project direction, and delivering high-impact solutions in support of mission-critical objectives. Senior Analyst: Bowhead is seeking a highly experienced Senior Analyst to support an upcoming effort at NAWCAD in Patuxent River, MD.

Patuxent River, MD18 days ago

At least ten (10) years of experience and a master’s degree or bachelor’s degree plus four (4) additional years of experience may be substituted for a Master’s; of the minimum required 10 years of experience, at least 3 years of experience must be in a business functional area with the U.S. Navy or other DoD program. The effort provides a wide range of technical, project management, engineering, logistics, training, and administrative support for air, ship, shore, expeditionary, and surveillance systems that directly support warfighter operations.

Patuxent River, MD18 days ago

The effort provides a wide range of technical, project management, engineering, logistics, training, and administrative support for air, ship, shore, expeditionary, and surveillance systems that directly support warfighter operations. The Senior Data Scientist leads the development and implementation of advanced techniques and analytics applications to transform raw data into actionable insights using data-oriented programming languages and visualization software.

Baltimore, MD30+ days ago

Temporary
Contractor
Full-time

Experience managing directory sync into Azure AD and deep knowledge of Azure AD Sync for Federation, authentication, SSO, and directory sync with Azure AD. Systems engineer – Microsoft 365 to develop solutions for e-mail and collaboration tools as well as handle day-to-day operations within the division.

Fort Meade, MD7 days ago

$107,900–$195,050

The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus: Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture.

Columbia, MD8 days ago

Remote

$122,500–$163,166.67 Per Year

Deep expertise in at least one relevant security domain (e.g., Application Security, Vulnerability Management, Cloud Security, Container Security, Threat Intelligence, Software Supply Chain, Network Security, Cryptography), combined with broad general knowledge across security and engineering. This team serves as the critical bridge between our Research organization and Product teams, driving technology transfer and productization of cutting-edge security innovations.

Columbia, MD8 days ago

$202,000–$269,333.33 Per Year

Process & Escalation: Define and enforce clear, compliant escalation processes, acting as the exclusive point of contact for external technical vendors to prevent unauthorized direct communication with Tenable customers or other internal teams. The role requires deep technical knowledge across Tenables product suite and a proven ability to lead intricate, cross-functional projects with a focus on both strategic product-market fit and hands-on technical execution.

New!

Baltimore, MD6 days ago

$55–$65 Per Hour

Minimum of five (5) years of experience creating, configuring, and administering Jira projects, including workflows, issue types, custom fields, dashboards, permissions, and integrations with ServiceNow to support cross-platform collaboration. Support Jira development and administration activities, including workflow configuration, custom fields, issue types, dashboards, and integrations with ServiceNow to enable seamless collaboration and tracking across platforms.

MS, Maryland12 days ago

$50–$70 Per Hour

ResponsibilitiesSupport a specialized enterprise architecture team in designing, developing, and evaluating proof-of-concept (PoC) solutions that enhance enterprise architecture artifacts, automation, and business process models. Produce and deliver high-quality documentation, briefings, and analytical products using Microsoft Office applications to support the USTRANSCOM Enterprise Architecture team.

New!

Bethesda, MDToday

$80,000–$95,000 Per Year

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Requirements Minimum of 5+ years of IT support experience, including at least 2 years in a supervisory or lead role .

West Friendship, MD29 days ago

$29.99–$29.99 Per Hour

A minimum of two (2) years of experience as a Law Enforcement Officer and/or Military Police Officer, or six (6) months of experience as a security officer involved in the detention of civil or administrative detainees, or two (2) years of active-duty military service with an honorable discharge. Paragon Professional Services is seeking Transportation Officers for Armed Ground Transportation Services for the Department of Homeland Security (DHS) Immigration and Customs Enforcement (ICE) in Maryland.

Annapolis, MD15 days ago

$109,800–$134,200

Manages and leads key aspects of project management support, including coordination of shop drawings and submittals, development and processing of change orders, response to Requests for Information (RFIs), tracking of project progress and schedules, preparation and tracking of invoices, as well as financial planning, cost forecasting, and schedule management. The Senior Construction Project Manager (PM) leads project teams and plans, directs, and coordinates activities of large-scale, energy efficiency-focused commercial construction projects.

Camp Springs, MD9 days ago

$107,900–$195,050

The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). 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.

Salisbury, MD29 days ago

$29.99–$29.99 Per Hour

A minimum of two (2) years of experience as a Law Enforcement Officer and/or Military Police Officer, or six (6) months of experience as a security officer involved in the detention of civil or administrative detainees, or two (2) years of active-duty military service with an honorable discharge. The characteristics of the work environment necessary for performing the essential functions of this role include: - Working in a transportation vehicle, either as a driver or passenger, responsible for the safety and security of all detainees.

Rockville, MD9 days ago

$107,900–$195,050

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. Leidos Dig Mod Health IT division is seeking an expert-level Senior Microsoft Identity Engineer to lead complex identity management solutions for large-scale government digital transformation initiatives.

Linthicum, MD11 days ago

Required Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

Linthicum Heights, MD7 days ago

$107,900–$195,050

Mission Focus: Collaborate closely with technical leadership to design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines. 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.

Columbia, MD8 days ago

$137,500–$183,500 Per Year

As a Software Engineer, you will work across the stack , building microservices, APIs, and user interfaces , leveraging modern frameworks and cloud technologies. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters.

Odenton, MD7 days ago

$131,300–$237,350

Portal Management & Technical Integration: Provide senior operational leadership within an agile development team, actively participating in technical interchange meetings, architectural reviews, and sprint planning to represent the voice of the end-user. Serve as a MAVEN Architecture & Mission Integration SME: Act as the primary operational authority for DISA J 3/5/7 MAVEN deployments, ensuring all developed tools and dashboards strictly align with Joint Staff mission requirements and Combatant Command battle rhythms.

Odenton, MD7 days ago

$131,300–$237,350

Bethesda, MD9 days ago

$131,300–$237,350

Leidos is seeking a mission-driven Senior Systems Engineer (Data Engineering) to join our high-impact team supporting the National Media Exploitation Center (NMEC) DOMEX Technology Platform (DTP). Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software components.

New!

Gaithersburg, MDToday

$220,000–$260,000

This person brings strong executive presence, earns the respect of highly technical engineering teams, and leads with both quantitative rigor and commercial instinct. The ideal candidate will own P&L, drive commercialization, and serve as the strategic voice of the customer in the life sciences research market.

New!

Ellicott City, MD4 days ago

GardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe. This policy applies to all terms and conditions of employment including, but not limited to hiring, placement, assignment, promotion, termination, layoffs, recalls, transfers, leaves of absence, compensation, and training.

Gaithersburg, MD7 days ago

$107,900–$195,050

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Columbia, MD8 days ago

$188,000–$250,666.67 Per Year

We are seeking a Senior Director of Federal Sales to lead a high-performing team of seasoned sales professionals across the Civilian, Department of Defense (DoD), Intelligence Community (IC), and Federal System Integrator (FSI) sectors. Ecosystem & Alliance Building: Cultivate high-impact relationships with FSIs and specialized Federal channel partners to co-design and execute winning joint-sales campaigns.

Gaithersburg, MD8 days ago

$107,900–$195,050

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. June 8, 2026For 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.

New!

Odenton, MD6 days ago

$69,550–$125,725

Assist senior CSWOs in providing technical oversight of information security services and customer support initiatives, by updating DoD shared SA and knowledge management (KM) tools, including CMDNet, websites, blogs, and wikis, chat, collaboration tools, and portals. CSWOs are principally engaged in the triage of events, cyber incident handling, network analysis and threat detection, trend analysis, metric development, vulnerability information dissemination, and the DoD Cyber Security Service Provider (CSSP) methodology.

Odenton, MD9 days ago

$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.

Columbia, MD11 days ago

$116,350–$210,325

The selected candidate will oversee a diverse portfolio of contracts aligned to our Cyber & Analytics Business Area and must have experience providing cradle-to-grave contract administration support for FFP, CPAF, CPFF and T&M government contracts; including RFP analysis, hands-on proposal development, coordination of appropriate internal reviews, contract negotiation, and contract/task order administration and execution. Experience with Government (FAR / DFAR) contracting: Fixed Price (FP), Time & Material (T&M), Cost Plus Award Fee (CPAF), Cost Plus Fixed Fee (CPFF), Level of Effort (LOE), Indefinite Delivery / Indefinite Quantity (IDIQ) and General Service Administration (GSA) type contracts.

Annapolis Junction, MD7 days ago

$131,300–$237,350

You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

New!

Towson, MD1 day ago

$44.69–$55.61 Per Hour

Ability to operate rental equipment (i.e. forklifts, scissor lifts, boom lifts, etc.) Represents the company by serving as the direct customer contact and is responsible for servicing products and equipment on assigned projects, ensuring customer satisfaction by identifying, analyzing, diagnosing and repairing equipment and systems at customer’s location. CHVAC Americas Senior Controls Technician (English): Click Here CHVAC Americas Turnkey Installation Technician Superintendent (English): Click Here What's in it for you: As a world leader in creating comfortable, sustainable, and efficient environments, it's our responsibility to put the planet first.

Gaithersburg, MD9 days ago

$107,900–$195,050

The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights more efficient from gate to gate.

New!

Aberdeen Proving Ground, MD1 day ago

Attend and provide classified and unclassified IA and cybersecurity support at PM PNT IPT meetings, working groups, PNT forums, and technical reviews, including SSR, SRR, system functional review, PDR, CDR, PRR, FCA, and PCA events. Plan, create, review, coordinate, and maintain classified and unclassified PM PNT IA and cybersecurity acquisition documentation, including Cybersecurity Strategy, Clinger-Cohen Act documentation, SEP, TEMP, and acquisition strategy updates.

Aberdeen Proving Grounds, MD11 days ago

$180,000–$220,000

The PM PNT provides administrative, business management, programmatic contracting, information technology (IT), program management, engineering, logistics, test and evaluation (T&E), training, operations, security, technology protection, foreign military sales, and acquisition and strategic planning services to the Army director PNT systems. The incumbent is entrusted to lead and synchronize special projects, resolve complex organizational challenges, and drive initiatives that enhance the delivery of Assured Positioning, Navigation, and Timing (APNT) and Navigation Warfare (NAVWAR) capabilities to the Warfighter.

Sykesville, MD29 days ago

$78,200–$78,200 Per Year

Minimum two (2) years’ experience as a Law Enforcement Officer and/or Military Police Officer or six (6) months experience as a security officer engaged in functions related to detailing civil or administrative detainees or, two (2) years active-duty military service with an honorable discharge. Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking, or standing for prolonged periods of time; most of the time spent sitting will be in a transportation vehicle with limited opportunity to move about.

Suitland, MD28 days ago

$53,937–$114,395
Full-time
Employee

Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Hanover, MD28 days ago

$115,119–$196,443
Full-time
Employee

Level 4: 9 years experience with Bachelors in related field; 7 years experience with Masters in a related field or 4 years experience with a PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Level 3: 5 years experience with Bachelors in related field; 3 years experience with Masters in a related field or 0 years experience with a PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 6 years relevant experience.

California, MD28 days ago

$128,989–$185,000
Full-time
Employee

9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. As part of an on‑site team supporting NAWCAD, you will design, enhance, and maintain critical software components used across the JSE ecosystem—including NGTS, DIADS, GRID, and other constructive and virtual simulation frameworks.

California, MD27 days ago

$135,135–$200,000
Full-time
Employee

HII Mission Technologies is seeking a Senior Tactical Operations and Air/Weapons Specialist to support advanced modeling, simulation, and tactical employment activities within the Joint Simulation Environment (JSE) at NAS Patuxent River, MD. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Fort Meade, MD28 days ago

$126,000–$220,000
Full-time
Employee

This high-impact role involves management of operational planning, training and exercise coordination, managing security operations, developing strategic initiatives, and cultivating strong relationships with joint force partners. HII-Mission Technologies’ Cyber & Intelligence team is seeking a driven and experienced Program Manager to lead all on-site cyberspace operations and program support for a key customer at Fort Meade, MD.

Columbia, MD28 days ago

Full-time
Employee

You will tackle a diverse set of challenges, from developing robust API endpoints and modifying complex open-source systems like Trino, to architecting intricate identity federation solutions, managing large-scale data ingest, and streamlining our deployment automation. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.

Fort Meade, MD28 days ago

$116,245–$190,900
Full-time
Employee

When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

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Senior Security Jobs in Maryland

Senior Software Engineer (C++ / Java) Jobot

Sr. Software Engineer Jobot

Senior Accountant (Hybrid) Jobot

Senior Corporate Paralegal/Legal Contracts Specialist MaxCyte, Inc

Program Management Specialist, Project Manager, Senior Bowhead / UIC Technical Services

Program Management Specialist, Program Manager, Senior Bowhead / UIC Technical Services

Management Analyst, Senior Bowhead / UIC Technical Services

Senior Analyst Bowhead / UIC Technical Services

Senior Procurement Clerk Bowhead / UIC Technical Services

Senior Management Analyst Bowhead / UIC Technical Services

Senior Data Scientist Bowhead / UIC Technical Services

Sr. Systems Engineer - Microsoft 365 Trigyn Technologies Inc

Senior Software Engineer (SWE-3) Leidos

Senior Research Engineer, Systems Engineering Team Tenable Network Security

Senior Director, Ecosystem & Solution Architectures - Technical Alliances Tenable Network Security

Senior ServiceNow Architect System One

Senior Systems Architect System One

Senior Help Desk Engineer System One

Armed Security Transportation Officer/ West Friendship, MD PARAGON PROFESSIONAL SERVICES LLC

Senior Construction Project Manager, CES Constellation Energy

Senior Network Engineer Leidos

Armed Security Transportation Officer/ Salisbury, MD PARAGON PROFESSIONAL SERVICES LLC

Sr. Identity and Access Management (ICAM) Engineer Leidos

Senior System Administrator III Varada Consulting

Senior AI Engineer (SWE-3) Leidos

Senior Software Engineer Tenable Network Security

Senior MAVEN Architect & Operations Integrator Leidos

Senior MAVEN Architect & Mission Integrator SME Leidos

Senior Systems Engineer Leidos

Senior Director, Product Management & Strategy Gables Search Group

Surveillance Security Rover GardaWorld Security Services U.S.

Senior Software Engineer Leidos

Senior Director, Federal Sales Tenable Network Security

Senior Software Developer Leidos

Cyber Security Watch Officer Leidos

Sr. Network Engineer Leidos

Senior Contracts Manager Leidos

Sr. Software Engineer TS/SCI Polygraph Leidos

Sr. Controls Technician -Towson, MD Trane Technologies

Senior Systems Engineer Concurrent Engineering Lead Leidos

Cybersecurity Engineering (EMASS) - PNT Credence

Special Projects Officer / Strategic Advisor - PNT Credence

Lead Armed Transportation Officer PARAGON PROFESSIONAL SERVICES LLC

Cognizant/Alternate Cognizant Security Officer Company Confidential

Senior Cloud Engineer (Multiple Levels) - 28329 Company Confidential

Sr. Software Developer (Real-Time Simulation & Dev Lab) - 27748 Company Confidential

Sr. Tactical Operations and Air/Weapons Specialist - 27747 Company Confidential

Senior Program Manager Company Confidential

Senior Software Engineer (Hybrid) - 27020 Company Confidential

Senior Digital Verification Engineer 4 - 23335 (FS Poly Required) Company Confidential

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