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Machine Learning Software Development

Location:
New Market, MD
Posted:
July 15, 2025

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Resume:

Angel Montalvo

**** ********* *****

New Market, MD 21774

Mobile: 443-***-****

E-mail: *************@*****.***

Qualifications Profile:

Seasoned IT professional with experience leading cybersecurity initiatives, system architecture, and IT infrastructure management in complex, high-stakes environments. Expert in advanced security solutions, process automation, and cross-functional leadership, with a strategic focus on ensuring IT compliance and integrity. Known for transforming challenges into opportunities, driving short- and long-term success for government and private sector organizations.

Areas of Expertise:

Cross-functional Leadership IT Policies and Procedures Compliance Automation of System Administration Software Development Life Cycle System Architecture Cybersecurity Risk Assessment and Resolution Machine Learning Vendor Relations

Certifications:

Certified, Certified Information Systems Security Professional, CISSP, ISC2, 2008 (current)

Certified, Cisco Certified Network Associate, CCNA, Cisco, 2009

Certified, Leadership and Management, Graduate Certificate, University of Maryland University College, 2014

Work Experience:

Senior Information System Security Engineer Defense Contractor, DIA

Leidos October 2023 – December 2024

. Conducted security assessments in identifying points of vulnerability and non-compliance for Microsoft Azure, Amazon Web Services (AWS) and RedHat Linux using NIST Publication 800-53 v5 and DISA Security Technical Implementation Guides (STIGS) for accreditation.

. Experience with Azure Active Directory for securing Identity Management, and access to SaaS applications using Conditional Access features.

. Implemented NIST 800-53 security controls to secure Appian platform.

. Developed and refined documentation to gain and maintain DoD accreditation for the systems on the program.

. Coordinated with security personnel and recommended mitigation strategies.

. In-depth knowledge of the Risk Management Framework (RMF).

. Implemented security controls to harden the projects Continuous Integration/Continuous Delivery (CI/CD) pipeline.

Senior Linux Administrator Contractor, SSA

Leidos April 2023 – October 2023

. Experience in configuring components for Logical Volume Management such as booting configurations, formatting physical volumes, creating volume groups and logical volumes.

. Hands–on experience with Ansible and Ansible Tower as a configuration management tool for automating repetitive tasks, rapidly deploying critical applications, and proactively managing changes.

. Performed server administration of local and remote systems via command line interface (CLI), monitoring logs for stop processes, disk space utilization, hardware failures, and applying patches for compliance.

. Experience with creating and managing user accounts, security, rights, disk space and process monitoring in Red Hat.

Systems Analyst/Systems Architect Contractor, NSA

Leidos August 2021 – April 2023

. Configured and implemented Machine Learning tools such as Tensorflow and Auto-sklearn.

. Utilized Microsoft PowerShell to automate different taskings such as logging and critical software updates.

. Applied security analytics and threat intelligence across the enterprise network using Microsoft Sentinel SIEM to assist in providing a threat model

. Experience installing, configuring, securing, and maintaining RedHat Linux, CentOS, using Linux CLI

. Configured RedHat Linux to meet FIPS 140-2 standards

. Experience with DCIM, CM, and continuous integration-deployment (CI/CD) tools such as Puppet, SALT and Ansible to automate security baseline tasking.

. Experience with Jupyter Notebook and GPU technologies, such as nVIDIA Docker and GPU-compute apps.

. Experience configuring Terraform, Docker Containers, Kubernetes orchestration, and Rancher

. Bash, Python, and scripting skills to automate security hardening

. Served as the technical subject matter expert in information security to mitigate complex vulnerabilities within the enterprise for successful Authorization to Operate.

. Executed security vulnerability assessments across various information systems which included RedHat Linux and Microsoft Windows Servers/Clients, Apache NiFi, Nginx Proxies, and Apache Tomcat.

. Configuration of Commercial Cloud Solutions (C2S) including C2S Web Portal.

. Performed routing, switching, and firewall rules administration.

Senior Information Security Lead Contractor, NSA

Jacobs/KEYW Corp. September 2012 – August 2021

. Provided security expertise for cloud-based DevOps development and deployment.

. Responsible for performing extensive hands-on Linux testing of cloud systems for vulnerability assessments.

. Provided support to resolve complex issues associated with Linux and Windows servers, numerous applications, and software integration.

. Conducted configuration management using tools such as Puppet and Chef to automate system administration tasking.

. Conducted analysis on test data and produce tool and mapping reports, identifying new system requirements and false positives.

. Provided support to development projects by performing hands-on manual configuration security testing of Linux based systems.

. Provided support on complex utility, data, and storage cloud systems.

. Experience configuring and securing the ELK stack.

. Performed log analysis using SPLUNK to find discrepancies.

Senior Systems Security Engineer Contractor, NSA

KEYW Corp. February 2012 – September 2012

. Provided high-level security requirements and test plans for the Android hardening handset team.

. Led efforts in providing a framework for software configuration management (SCM) using agile methods

. Assisted in the efforts regarding properly testing source code for open-source applications such as VoIP, web and mail.

. Provided transition documentation with requirements, high-level architecture, and linux back-end server configurations.

. Correlated with various teams to improve performance in regard to VoIP functionality on hardened mobile phones.

Systems Engineer Contractor, NSA

KEYW Corp. February 2010 – February 2012

. Performed architecture, implementation and configurations on Bluecoat web proxies, F5 Big-IP global and local load balancers, McAfee 7.0 firewalls and Foundry Server Irons.

. Administered the VMWare infrastructure utilizing a Linux based interface.

. Experience with Linux in regard to file commands such as looking up vital system information, networking, file permissions and using ssh.

. Configured virtual machines and routers to create a topology that properly depicts needed requirements.

. Configured Microsoft servers such as DNS, Web and Radius servers to correlate with web proxies and load balancers.

. Performed documentation for requirements, functional test plans, security test plans, system requirements traceability matrix and development test & evaluation.

IT Senior Consultant IV Contractor, NSA

Sycamore February 2009 – February 2010

. Provided support for the engineering, installation, testing, activation, and documentation of WAN/LAN/CAN/Telephony/Media equipment and software.

. Provided integration and testing of new WAN/LAN/CAN/Telephony/Media equipment, systems, and subsystems for purpose of evaluation and simulation.

. Provided detailed data as to the scope, costs, system design, installation efforts, and project schedule.

. Provided in/out briefings to site personnel discussing project plans, actual installation, efforts during installation, and future efforts.

. Provided complete post installation packages that detail all changes made to the infrastructure. These packages documented new and/or actual modifications,

as installed and any differences from the planned installation.

. Responsible for developing a comprehensive Implementation Plan for every site deployment.

. Advised on how to best utilize Quality of Service (QoS) with HAIPE encryptors, and IP Satcom modems.

Network Security Administrator Contractor, NSA

Eagle Alliance November 2004 – February 2009

. Configured SafeNet Virtual Private Networks for several remote sites.

. Successfully configured and tested SafeNet Virtual Private Networks (VPN), using IPSec, McAfee Firewalls and Cisco Intrusion Detection Systems for the Certification and Accreditation (C&A) process.

. Performed audit and monitoring on critical servers using Novell Sentinel and Unix based systems.

. Configured Foundry Big Iron switches 4000/8000 series and Microsoft 2000/2003 Servers to meet baseline for testing of security network designs.

Network System Administrator US Navy, Fort Meade

NSGA Fort Meade October 2000 – November 2004

. Installed, configured, and maintained high performance Cisco routers and Cisco/Marconi switches for Network Operations.

. Researched, tested and integrated solutions involving secure e-mail for information assurance purposes.

. Performed system administration and technical support on core services to include the Active Directory, Mail exchange server, Domain controllers, DNS, WINS, tape backup server and various servers in support of over 800 users.

. Planned and performed software and hardware upgrades in support of over 800 users

Communication Center Supervisor US Navy, Norfolk,VA

USS Nassau LHA-4 December 1996 – October 2000

. As a watch floor supervisor maintained over 35 ship-based circuits with minimal outage time.

. Performed tests on command-and-control equipment such as GCCS/JMCIS and ADNS.

. Performed the accounting and updating of numerous cryptographic devices such as ANDVT, KG-194, KG-94, KG84 and KY-58.

. Responsible for leading personnel in the operations of conventional and automated ship-shore, voice and teletype communications and related cryptographic devices.

. Briefed Admirals and foreign exchange officers on the use of shipboard cryptologic systems and fleet satellite communications.

Education:

. Bachelor of Science degree in Internetworking Technology from Strayer University.

. Master of Science degree in Information Technology/Information Assurance at University of Maryland University College.



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