Jobs in the United States

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Added 7 mins ago
Senior Network Engineer
Cognizant
Helena, MT
We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The…
Added 8 mins ago
Senior Cybersecurity Engineer – Network Security, Zero Trust & Automation
GD Information Technology, Inc.
Remote, United States
As a Senior Cybersecurity Engineer supporting the Zero Trust and Security Engineering team, you will provide senior-level technical expertise for the design, implementation, integration,…
Added 14 mins ago
Principal Software Engineer, Cloud Infrastructure
NVIDIA USA
CA
We are seeking a Principal Software Engineer to drive the architecture and development of our bare-metal and cloud compute infrastructure. Our organization supports hundreds of megawatts of…
Added 30 mins ago
Senior Backend Engineer
Acuity Inc.
Conyers, GA
…technical layer around it: the services, integrations, and automation that connect PLM to the rest of the enterprise and to the engineers who use it every…
Added 31 mins ago
Lead Data Engineer
Honeywell Technologies
Atlanta, GA
Honeywell is accelerating its transformation from industrial automation to full autonomy and the data that powers that future starts here. As a Lead Data Engineer on our Industrial AI &…
Added 1 hour ago
Sr. Cloud Engineer
EXL Talent Acquisition Team
Jersey City, NJ
…together to solve complex challenges. We are looking for a Senior Azure Cloud Engineer with 7–10 years of overall IT experience and strong hands-on expertise in Azure infrastructure,…
Added 1 hour ago
Senior Network Engineer
Cognizant
Phoenix, AZ
We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The…
Added 1 hour ago
SI
Lead Software Engineer, AI Workflow Generation (Agentforce Operations)
Salesforce, Inc.
CA
- $172,500 to $285,800 USD / year
As a SLead AI Software Engineer on the Agentforce Operations Process Generation Team, you will drive the ongoing development of our agents. They capture how a customer runs their business…
Added 1 hour ago
Senior Specialist, Software Engineering (DevOps Engineer)
L3Harris
Colorado Springs, CO
Job Title: Senior Specialist, Software Engineering (DevOps)
Added 1 hour ago
Controls & Automation Engineer
Vast
Long Beach, CA
Vast is looking for a Controls & Automation Engineer, to help develop the systems behind our human-rated space stations. You will drive the development and execution of human-rated vehicle…
Added 1 hour ago
Principal Engineer – Supply Chain, Transportation Technology
Target Enterprise Inc
NCD-0375 Brooklyn Park, MN
As a Principal Engineer you set the strategy for software development and/or infrastructure engineering at Target. You set the direction for how software and infrastructure engineering…
Added 1 hour ago
O
Senior Reliability Engineer - Mechanical (Nashville, TN on-site)
Oracle
Jefferson City, MO
- $126,200 to $264,100 USD / year
As a Senior Reliability Engineer - Mechanical , you will lead mechanical reliability strategy and improvement efforts for mission-critical cooling systems supporting OCI data centers. This…
Added 1 hour ago
RH
Sr. Systems Engineer
Robert Half
St. Paul, MN
- $55 to $68 USD / hour
We are seeking a Senior Systems Engineer to join our Infrastructure Team. This role is responsible for the design, implementation, administration, and support of enterprise infrastructure…
Added 2 hours ago
ES
EverHealth - Lead Forward Deployed Engineer (Remote, US)
EverCommerce Solutions Inc.
Remote, United States
- $170,000 to $200,000 USD / year
We are looking for a Lead Forward Deployed Engineer IV to join EverHealth’s revenue cycle management (RCM) team. RCM is at the heart of how our customers get paid, and we are building a new…
Added 2 hours ago
O
Advanced Services Engineer 1
Oracle
Shelton, WA
- $24.04 to $50.43 USD / hour
…assigned development tasks to learn to support optimizations (e.g. automation) of solutions and technical delivery. Learns to take ownership of basic reactive technical assistance in chosen…
Added 2 hours ago
Senior Principal - Red Team Engineer
Hewlett Packard Enterprise
All, TX
· Programming & automation: Strong programming and tooling skills using Python, Go, Rust, or C/C++ (or equivalent) to automate testing, research new attack vectors, and develop internal Red…
Added 2 hours ago
Senior Networks Engineer
Man Group
MA
Join us as a Network Engineer in the Infrastructure Engineering department and you'll be part of a team that builds and runs the platform powering Man Group's hedge funds. You will be…
Added 2 hours ago
Senior PKI Venafi Engineer (Automation)
Beacon Hill Staffing Group, LLC
Columbus, OH
Added 2 hours ago
Senior DevOps Engineer
Beacon Hill Staffing Group, LLC
Columbus, OH
Added 2 hours ago
Senior Test Engineer, Lunar
Vast
Long Beach, CA
Vast is looking for a Senior Test Engineer to support our Lunar Program, reporting to the Senior Vice President, Lunar Programs. As the first dedicated test hire on the program, you will be…
Added 2 hours ago
Senior Cloud Engineer
Laivly
Remote, United States
As a Senior Cloud Engineer, you'll play a key role in designing and operating secure, reliable, and high-performing AWS environments. You'll combine deep technical expertise with a…
Added 2 hours ago
O
Senior Data Engineer
Oracle
Nashville, TN
- $95,600 to $209,500 USD / year
As OCI’s development pipeline expands, reliable data infrastructure, strong data governance, and consistent reporting are essential to informed decision-making at scale. The Data…
Added 2 hours ago
O
Lead Principal Core Infrastructure Engineer
Oracle
Nashville, TN · Seattle, WA
- $146,300 to $306,400 USD / year
As a Lead Principal Core Infrastructure Engineer on Oracle's Strategic Customer Engineering team, you will play a critical role in driving complex technical initiatives across Oracle Cloud…
Added 2 hours ago
Manager, DevOps Enterprise Architect
Amyris, Inc.
Remote, United States
The Manager, Enterprise DevOps Architect will serve as a senior technical and team leader for Amyris’s hybrid infrastructure and for the CI/CD and DevOps practices that deliver across them.…
Added 2 hours ago
Senior Network Security Engineer
Applied Materials
Santa Clara, CA · Santa Clara
The Senior Network Security Engineer is a hands-on technical leader responsible for designing, implementing, securing, and operating enterprise firewall and network security infrastructure…

MANTECH

Senior Cyber Security Engineer

Chantilly, VA, United States

The projected compensation range for this position is $114,600.00-$190,200.00.

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Job details

Pay: The projected compensation range for this position is $114,600.00-$190,200.00.
Posting language: English

Original job description

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now - unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA.

The Senior Cyber Security Engineer will leverage their strong technical background, PKI expertise, and identity management knowledge to support mission-critical cyber security solution delivery, testing, and system deployment across secure classified enterprise networks.

Responsibilities include but are not limited to:

Maintaining operations of identity and access management services including directory services, user access controls, identity lifecycle workflows, Public Key Infrastructure (PKI), and privileged access management.
Engineering, deploying, and maintaining Public Key Infrastructure (PKI) systems, digital certificates, cryptographic protocols, and multi-factor authentication (MFA) solutions.
Maintaining critical infrastructure across Linux and Windows server environments in virtualized, on-premises, and cloud architectures.
Performing routine and scheduled Linux and Windows operating system upgrades, security patches, baseline configurations, and system hardening.
Managing Continuous Monitoring (CONMON) activities, vulnerability mitigations, and compliance reporting to maintain enterprise Authority to Operate (ATO).
Providing structured status updates, technical documentation, and cross-functional coordination within an Agile and collaborative operational framework.

Minimum Qualifications:

Bachelor's degree or 4+ years of additional experience in lieu of a degree
5+ years of professional experience
Demonstrated hands-on experience supporting and maintaining Public Key Infrastructure (PKI), digital certificate lifecycle management, and authentication/authorization protocols.
Hands-on system administration experience working across enterprise Linux and Windows operating systems in classified or unclassified environments.
Working knowledge of directory services, LDAP/Active Directory administration, user account management, and database structures.
Demonstrated ability to develop and implement automation scripts or workflow tracking solutions to optimize operational processes and system maintenance.
Must have or be willing to obtain an IAT Level II certification within 3 months of hire.

Preferred Qualifications:

Familiarity with configuration of Information Security Corp. (ISC) PKI products (CertAgent and CCMS)
Direct experience implementing, maintaining, and troubleshooting enterprise PKI management tools and digital certificate services.
Familiarity with configuration management, automation playbooks, or scripting platforms such as Ansible or PowerShell.
Demonstrated experience collaborating within Agile, DevOps, or cross-functional technical teams.
Prior military or Department of Defense operational background supporting mission-critical IT infrastructure, network security, and compliance workflows.

Clearance Requirements:

An active TS/SCI with Polygraph is required.

Physical Requirements:

Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, and technical equipment.
Frequently communicates with co-workers, management, and customers, which may involve delivering technical briefings and operational updates. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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